// JavaScript Document

var base_url;
var script_url;
base_url = '';
script_url = '';

//used for DHTML navigation
function s_show(){return false}
function s_hide(){return false}
if(window.event+''=='undefined')event=0
//used for DHTML navigation


//used in left nav to indicate the current page
function showon(indicatorname) {
	var indicatorname = indicatorname
	if (indicatorname != null) {
	indicatorname.src = "images/n_bullet.gif"
	};
}
//used in left nav to indicate the current page


function open_popwin( url )
{
	popwin = window.open( url, 'popwin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=600,height=500' );
	popwin.focus();
}


//##### START: Functions for Health Library ########
function open_dict()
{
	dict = window.open('http://healthlibrary.epnet.com/dict.aspx?token=8767ffbe-d284-4611-bed8-c8ffc1e4f6a2&docid=/MedicalDictionary/index' , 'dict', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=600,height=500' );
	dict.focus();
}
function open_ae()
{
	ae = window.open('http://healthychoice.epnet.com/tools/index2.asp?siteid=healthlibrary','AnatomyExplorer','width=640,height=550,left=0,top=0,scrollbars=yes,toolbar=no,location=no,resizable=no');
	ae.focus();
	void(null);
}	
function open_ce() 
{
	ce = window.open('http://healthychoice.epnet.com/tools/index3.asp?siteid=healthlibrary&token=8767ffbe-d284-4611-bed8-c8ffc1e4f6a2&frame=parent','ConditionExplorer','width=660,height=520,left=0,top=0,scrollbars=yes,toolbar=no,location=no,resizable=yes');
	ce.focus();
	void(null);
}	

function open_md() 
{
	md = window.open('http://calculators.epnet.com?docid=healthcalculators/listofcalculators&token=8767ffbe-d284-4611-bed8-c8ffc1e4f6a2&DeliveryContext=healthlibrary&CollectionIID=446&frame=parent','Calculators','width=625,height=550,left=0,top=0,scrollbars=yes,toolbar=no,location=no,resizable=yes');
	md.focus();
	void(null);
}	


function open_win( url, width, height )
{
	if (window.win) {
		win.close();
	}
	
	win = window.open( url, 'win', 'toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=' + width + ',height=' + height );
	win.focus();
	
}

function open_minwin( url, width, height )
{
	if (window.minwin) {
		minwin.close();
	}
	
	minwin = window.open( url, 'minwin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=0,copyhistory=no,width=' + width + ',height=' + height );
	minwin.focus();
	
}

function open_pop( url )
{
	pop_win = window.open( url, 'pop_win', 'toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=600,height=400' );
	pop_win.focus();
}



function open_cert( url )
{
	cert = window.open(url, 'cert', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=500,height=200' );
	cert.focus();
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
  }
  

//##### END: Functions for Health Library ########

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

//**** START: Side Navigation Functions *****/
function getElementsByIDTag(id, tagname)
		{
			var objArray, m;
			objArray = new Array();
			m = 0;
			for (n=0; n<document.getElementsByTagName(tagname).length; n++)
			{
				for (i=0; i<document.getElementsByTagName(tagname).length; i++)
				{
					obj = document.getElementsByTagName(tagname)[i];
					if (obj.id.indexOf(id) >= 0)
					{
					objArray[m] = obj;
					m++;
					}
				}
			}				
			return objArray;
		}
		

		function ShowNavIcon(navid)
		{
			navid = navid + "div"
			obj = document.getElementById(navid);
			if (obj != null && obj != undefined) 
				document.getElementById(navid).className = document.getElementById(navid).className + "_On"; 
		}
		
		function LoadNav(navitemid) 
		{
						
			if (navitemid == null || navitemid == undefined)
				return;
		
			var trArray, iArray, path, i, level, current_level, obj;
			trArray = getElementsByIDTag("navitem_", "tr");
		
			
			if (trArray == undefined || trArray == null)
				return;
			
			path = navitemid.substring(navitemid.indexOf("navitem_") + 8, navitemid.length);
			
			iArray = path.split("_");
			level = iArray.length;

			path = "";
			iArray = null;
			
			for (i=0; i<trArray.length; i++)
			{
				path = trArray[i].id;
				path = path.substring(path.indexOf("navitem_") + 8, path.length);
				
				iArray = path.split("_");
				current_level = iArray.length;
				
				//alert(iArray[0], level);
				if (current_level > 1)
				{
					if (navitemid.indexOf(trArray[i].id) < 0)
					{
						if (!isRelative(navitemid, trArray[i].id, current_level))
						{
							document.getElementById(trArray[i].id).style.display = "none";
						}
					}
				}
			}
			obj = document.getElementById(navitemid);
			if (obj != null && obj != undefined)
				document.getElementById(navitemid + "div").className = document.getElementById(navitemid + "div").className + "_On"; 
		}
		
		function LoadNavAlt(navitemid) 
		{
						
			if (navitemid == null || navitemid == undefined)
				return;
		
			var trArray, iArray, path, i, level, current_level, obj;
			trArray = getElementsByIDTag("navitem_", "tr");
		
			
			if (trArray == undefined || trArray == null)
				return;
			
			path = navitemid.substring(navitemid.indexOf("navitem_") + 8, navitemid.length);
			
			iArray = path.split("_");
			level = iArray.length;

			path = "";
			iArray = null;
			
			for (i=0; i<trArray.length; i++)
			{
				path = trArray[i].id;
				path = path.substring(path.indexOf("navitem_") + 8, path.length);
				
				iArray = path.split("_");
				current_level = iArray.length;
				
				//alert(iArray[0], level);
				if (current_level > 1)
				{
					if (navitemid.indexOf(trArray[i].id) < 0)
					{
						if (!isRelative(navitemid, trArray[i].id, current_level))
						{
							document.getElementById(trArray[i].id).style.display = "none";
						}
					}
				}
				// The following condition hides the siblings for level 1 and level 2
				if (current_level == 2) 
				{
					if (navitemid.indexOf(trArray[i].id) < 0 && trArray[i].id.indexOf(navitemid) < 0) 
					{
						document.getElementById(trArray[i].id).style.display = "none";
					}
				}
			}
			obj = document.getElementById(navitemid);
			if (obj != null && obj != undefined)
				document.getElementById(navitemid + "div").className = document.getElementById(navitemid + "div").className + "_On"; 
		}
		
		function isRelative(srcID, destID, le)
		{
			var path1, iArray1, path2, iArray2, i;
			path1 = srcID.substring(srcID.indexOf("navitem_") + 8, srcID.length);
			iArray1 = path1.split("_");
			
			path2 = "";
			for (i=0; i<le; i++)
			{
				path2 += "_" + iArray1[i];
			}
			path2 = "navitem" + path2;
			
			//if (destID == "navitem_6_17_30")
			//	alert(path2 + "\n" + destID + "\n" + isBrother(path2, destID));
			
			return isBrother(path2, destID);
		}
		
		
		
		function isFamily(srcID, destID, le)
		{
			var path1, iArray1, path2, iArray2, i;
			path1 = srcID.substring(srcID.indexOf("navitem_") + 8, srcID.length);
			iArray1 = path1.split("_");
			
			path2 = destID.substring(destID.indexOf("navitem_") + 8, destID.length);
			iArray2 = path2.split("_");

			if (iArray2.length > iArray1.length) return false;			
			i = Math.max(iArray1.length, iArray2.length);
			if (le > i) return false;
			
			path1 = "";
			path2 = "";
			for (i=0; i<le; i++)
			{
				path1 += iArray1[i] + "_";
				path2 += iArray2[i] + "_";
			}
			if ((path1 != path2 && iArray2.length != le) || iArray1[0] != iArray2[0])
				return false;
			else
				return true;
		}
		
		function isBrother(srcID, destID)
		{
			var s1, s2;
			s1 = srcID.substring(0, srcID.lastIndexOf("_"));
			s2 = destID.substring(0, destID.lastIndexOf("_"));
			//alert(s1 + "\n" + s2);
			if (s1.toLowerCase() == s2.toLowerCase())
				return true;
			else
				return false;
		}
//**** END: Side Navigation Functions *****/


//**** START: Date Functions *****/
function measure(n) {

	this.length=n;

	for (var i=1;i<=n;i++) {

		this[i]=0 }

	return this

}

month=new measure(12);
month[1]="January"
month[2]="February"
month[3]="March"
month[4]="April"
month[5]="May"
month[6]="June"
month[7]="July"
month[8]="August"
month[9]="September"
month[10]="October"
month[11]="November"
month[12]="December"

day=new measure(7);
day[1]="Sunday"
day[2]="Monday"
day[3]="Tuesday"
day[4]="Wednesday"
day[5]="Thursday"
day[6]="Friday"
day[7]="Saturday"


function WriteDate() {
	display=new Date();
	document.write(month[display.getMonth()+1]+" "+display.getDate()+", "+display.getFullYear()+".");
}
//**** END: Date Functions ****//

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function ShowPositionedLayer(thisimg, thislayer) {
	x = s_getStart("x", thisimg);
	y = s_getStart("y", thisimg);
	objlayer = MM_findObj(thislayer);
	objlayer.style.left = x+247;	
	objlayer.style.top = y+36;
	MM_showHideLayers(thislayer,'','show');
}

function ShowLayer(thisimg, thislayer, xoffset, yoffset) {
	x = s_getPos("x", thisimg) + xoffset;
	y = s_getPos("y", thisimg) + yoffset;
	//alert(x + " " + y);
	objlayer = MM_findObj(thislayer);
	objlayer.style.left = x-1+1;	
	objlayer.style.top = y-1+1;
	MM_showHideLayers(thislayer,'','show');
}

function s_getPos(a, img){
var bodyStyleMarginTop=0;// specify manually to kill a bug in Opera 5/6
var o=document.images[img];if(!o)return a=="x"?-630:0;
if(s_nS4)return a=="x"?o.x:o.y;
var oP,oC,ieW;oP=o.offsetParent;oC=a=="x"?o.offsetLeft:o.offsetTop;
ieW=s_iE&&!s_mC?1:0;
while(oP){if(ieW&&oP.tagName&&oP.tagName.toLowerCase()=="table"&&oP.border&&oP.border>0)oC++;oC+=a=="x"?oP.offsetLeft:oP.offsetTop;oP=oP.offsetParent};
if(s_kN31p&&!s_kN32p){return a=="x"?(document.body.style&&document.body.style.marginLeft?parseInt(document.body.style.marginLeft)+oC:document.body.marginWidth?parseInt(document.body.marginWidth)+oC:document.body.leftMargin?parseInt(document.body.leftMargin)+oC:oC+10):(document.body.style&&document.body.style.marginTop?parseInt(document.body.style.marginTop)+oC:document.body.marginHeight?parseInt(document.body.marginHeight)+oC:document.body.topMargin?parseInt(document.body.topMargin)+oC:oC+10)};
return s_oP7m?a=="x"?oC:oC+bodyStyleMarginTop:s_iE5M?a=="x"?oC+parseInt(document.body.currentStyle.marginLeft):oC+parseInt(document.body.currentStyle.marginTop):oC};


// SAMPLE FUNCTION USED FOR RELATIVE POSITIONING
s_ua=navigator.userAgent.toLowerCase();
s_dl=document.getElementById?1:0;
s_iE=document.all&&!window.innerWidth&&s_ua.indexOf("msie")!=-1?1:0;
s_oP=s_ua.indexOf("opera")!=-1&&document.clear?1:0;
s_oP7=s_oP&&document.appendChild?1:0;
s_oP7m=s_oP&&!s_oP7?1:0;
s_nS=s_dl&&!document.all&&s_ua.indexOf("opera")==-1?1:0;
s_nS4=document.layers?1:0;
s_kNv=s_ua.indexOf("konqueror")!=-1?parseFloat(s_ua.substring(s_ua.indexOf("konqueror/")+10)):0;
s_kN=s_kNv>=2.2?1:0;s_kN3p=s_kNv>=3?1:0;
s_kN31p=s_kNv>=3.1?1:0;s_kN32p=s_kNv>=3.2?1:0;
s_mC=s_ua.indexOf("mac")!=-1?1:0;
s_sF=s_mC&&s_ua.indexOf("safari")!=-1?1:0;
s_iE5M=s_mC&&s_iE&&s_dl?1:0;
s_iE4M=s_mC&&s_iE&&!s_dl?1:0;
s_iE4=!s_mC&&s_iE&&!s_dl?1:0;
s_ct=0;

function s_getStart(a, img){
var bodyStyleMarginTop=0;// specify manually to kill a bug in Opera 5/6
var o=document.images[img];if(!o)return a=="x"?-630:0;
if(s_nS4)return a=="x"?o.x:o.y;
var oP,oC,ieW;oP=o.offsetParent;oC=a=="x"?o.offsetLeft:o.offsetTop;
ieW=s_iE&&!s_mC?1:0;
while(oP){if(ieW&&oP.tagName&&oP.tagName.toLowerCase()=="table"&&oP.border&&oP.border>0)oC++;oC+=a=="x"?oP.offsetLeft:oP.offsetTop;oP=oP.offsetParent};
if(s_kN31p&&!s_kN32p){return a=="x"?(document.body.style&&document.body.style.marginLeft?parseInt(document.body.style.marginLeft)+oC:document.body.marginWidth?parseInt(document.body.marginWidth)+oC:document.body.leftMargin?parseInt(document.body.leftMargin)+oC:oC+10):(document.body.style&&document.body.style.marginTop?parseInt(document.body.style.marginTop)+oC:document.body.marginHeight?parseInt(document.body.marginHeight)+oC:document.body.topMargin?parseInt(document.body.topMargin)+oC:oC+10)};
return s_oP7m?a=="x"?oC:oC+bodyStyleMarginTop:s_iE5M?a=="x"?oC+parseInt(document.body.currentStyle.marginLeft):oC+parseInt(document.body.currentStyle.marginTop):oC};
/*
 All browsers have problems with finding the real position of an
 element on the page in certain cases. I have tried to go round some
 browser bugs with the above function- that's why it's so long & complex.
*/
// SAMPLE FUNCTION USED FOR RELATIVE POSITIONING


//Fuctions to mimmick LTrim,  RTrim, and Trim...
//==================================================================
//LTrim(string) : Returns a copy of a string without leading spaces.
//==================================================================
function LTrim(str)
/*
        PURPOSE: Remove leading blanks from our string.
        IN: str - the string we want to LTrim
*/
{
        var whitespace = new String(" \t\n\r");

        var s = new String(str);

        if (whitespace.indexOf(s.charAt(0)) != -1) {
            // We have a string with leading blank(s)...

            var j=0, i = s.length;

            // Iterate from the far left of string until we
            // don't have any more whitespace...
            while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
                j++;


            // Get the substring from the first non-whitespace
            // character to the end of the string...
            s = s.substring(j, i);
        }

        return s;
}

//==================================================================
//RTrim(string) : Returns a copy of a string without trailing spaces.
//=================================================================//=
function RTrim(str)
/*
        PURPOSE: Remove trailing blanks from our string.
        IN: str - the string we want to RTrim

*/
{
        // We don't want to trip JUST spaces, but also tabs,
        // line feeds, etc.  Add anything else you want to
        // "trim" here in Whitespace
        var whitespace = new String(" \t\n\r");

        var s = new String(str);

        if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
            // We have a string with trailing blank(s)...

            var i = s.length - 1;       // Get length of string

            // Iterate from the far right of string until we
            // don't have any more whitespace...
            while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
                i--;


            // Get the substring from the front of the string to
            // where the last non-whitespace character is...
            s = s.substring(0, i+1);
        }

        return s;
}


//=============================================================
//Trim(string) : Returns a copy of a string without leading or trailing spaces
//=============================================================
        function Trim(str)
        /*
                PURPOSE: Remove trailing and leading blanks from our string.
                IN: str - the string we want to Trim

                RETVAL: A Trimmed string!
        */
        {
                return RTrim(LTrim(str));
        }



function validEmail(email) {
	 invalidChars = " /:,;"
	
	if (email == "") {	// cannot be empty
	    //alert("Please enter your email address.");
	    return false
         }
	for (i=0; i<invalidChars.length; i++) {	// does it contain any invalid characters?
	badChar = invalidChars.charAt(i)
	if (email.indexOf(badChar,0) > -1) {
	   return false
	}
      }
      atPos = email.indexOf("@",1)	// there must be one "@" symbol
      if (atPos == -1) {
	 return false
      }
      if (email.indexOf("@",atPos+1) != -1) {	// and only one "@" symbol
	  return false
      }
      periodPos = email.indexOf(".",atPos)
      if (periodPos == -1) {			// and at least one "." after the "@"
	 return false
      }
      if (periodPos+3 > email.length)	{ // must be at least 2 characters after the "."
	 return false
      }
      return true
}


function ValidateForm(thisform) {
if (thisform._required != null) {
	if (Trim(thisform._required.value).length != "") {
	var fieldnames = thisform._required.value.split(",");
	var errormsg = "The form can not be submitted. Please complete all required information.";
		for (m=0; m<fieldnames.length; m++) {
			fieldname = Trim(fieldnames[m]);
			if (thisform.elements[fieldname].length===undefined) {
				if (Trim(thisform.elements[fieldname].value).length=="") {
		   		alert(errormsg);
				thisform.elements[fieldname].focus();
				return false;
					}
				emailfield = fieldname.toLowerCase();
				if (emailfield.indexOf("email")>-1) {
					if (validEmail(Trim(thisform.elements[fieldname].value))==false) {
					alert("Please enter a valid email address.");
					thisform.elements[fieldname].focus();
					return false;
						}
					}
				}
			else {
				thischecked = -1
				for (i=0; i<thisform.elements[fieldname].length; i++) {
					if (thisform.elements[fieldname][i].checked || (thisform.elements[fieldname][i].selected && thisform.elements[fieldname][i].value.length!="")) {
					thischecked = i;
						}
					}
				if (thischecked == -1) {
					alert(errormsg);
					return false;
					thisform.elements[fieldname][0].focus;
					}
				
				}
			}
		}
	}
}

function ValidateC2C(thisform) {
	if (ValidateForm(thisform) == false) {
		return false;
		}
	if (thisform.receive.checked) {
		if (validEmail(Trim(thisform.email.value))==false) {
			alert("Please enter a valid email address.");
			thisform.email.focus();
			return false;
			}
	}
}

//############ Fading Slide Show with Random Initial Image ################//
<!-- Begin
var interval = 5; // delay between rotating images (in seconds)
var random_display = 1; // 0 = no, 1 = yes
interval *= 1000;

var image_index = 0;
image_list = new Array();
image_list[image_index++] = new imageItem("images_main/home_photo1.jpg");
image_list[image_index++] = new imageItem("images_main/home_photo2.jpg");
image_list[image_index++] = new imageItem("images_main/home_photo3.jpg");
image_list[image_index++] = new imageItem("images_main/home_photo4.jpg");
var number_of_image = image_list.length;
function imageItem(image_location) {
this.image_item = new Image();
this.image_item.src = image_location;
}
function get_ImageItemLocation(imageObj) {
return(imageObj.image_item.src)
}
function generate(x, y) {
var range = y - x + 1;
return Math.floor(Math.random() * range) + x;
}
function getNextImage() {
if (random_display) {
image_index = generate(0, number_of_image-1);
}
else {
image_index = (image_index+1) % number_of_image;
}
var new_image = get_ImageItemLocation(image_list[image_index]);
return(new_image);
}
function rotateImage(place) {
var new_image = getNextImage();
document[place].src = new_image;
var recur_call = "rotateImage('"+place+"')";
setTimeout(recur_call, interval);
}

// Set slideShowSpeed (milliseconds)
var slideShowSpeed = 5000;
// Duration of crossfade (seconds)
var crossFadeDuration = 3;
// Specify the image files
var Pic = new Array();
// to add more images, just continue
// the pattern, adding to the array below

Pic[0] = 'images_main/home_photo1.jpg'
Pic[1] = 'images_main/home_photo2.jpg'
Pic[2] = 'images_main/home_photo3.jpg'
Pic[3] = 'images_main/home_photo4.jpg'

// do not edit anything below this line
var image_count = Pic.length;
image_start = generate(0, image_count-1); // load random image 

var t;
var j = image_start;
var p = Pic.length;
var preLoad = new Array();
for (i = 0; i < p; i++) {
preLoad[i] = new Image();
preLoad[i].src = Pic[i];
}
function runSlideShow() {
if (document.all) {
document.images.SlideShow.style.filter="blendTrans(duration=2)";
document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)";
document.images.SlideShow.filters.blendTrans.Apply();
}
document.images.SlideShow.src = preLoad[j].src;
if (document.all) {
document.images.SlideShow.filters.blendTrans.Play();
}
j = j + 1;
if (j > (p - 1)) j = 0;
t = setTimeout('runSlideShow()', slideShowSpeed);
}
//  End -->