// JScript File

function type_sizer(s)
{
 window.document.body.className = s;
}

function changeDivDisplay(divName, displayType)
{
    document.getElementById(divName).style.display = displayType;
}

function toggle(divID, imgID)
{
    var divToShow = document.getElementById(divID);  
    ///var divUL = document.getElementById('clinical-studies');
	//var divs = divUL.getElementsByTagName('DIV');
	//for(var i = 0; i < divs.length; i++)
    //{
	    //divs[i].style.display = 'none';
	    if(divToShow.style.display == 'none')
	    {
		    divToShow.style.display = 'block';
	    }
	    else if(divToShow.style.display == 'block')
	    {
		    divToShow.style.display = 'none';
	    }
    //}
    
    var imgToShow = document.getElementById(imgID).getElementsByTagName('img')[0];
    var imgToHide = document.getElementById(imgID).getElementsByTagName('img')[1];
   	//var imgs = imgList.getElementsByTagName('img');
    //for(var i = 0; i < imgs.length; i++)
    //{
	    //imgs[i].src = 'images/closeArrow.gif';
	//alert(imgToChange.className);
//	    if(imgToChange.className == 'toggleFAQClose')
//	    {
//		    imgToChange.className = 'toggleFAQOpen';
//	    }
//	    else if(imgToChange.className == 'toggleFAQOpen')
//	    {
//		    imgToChange.className = 'toggleFAQClose';
//	    }
	    //alert(imgToShow.style.display);

        if(imgToShow.style.display == 'none')
	    {
		    imgToShow.style.display = 'inline';
		    imgToHide.style.display = 'none';

	    }
	    else if(imgToShow.style.display == 'inline')
	    {
		    imgToShow.style.display = 'none';
		    imgToHide.style.display = 'inline';

	    }
	    //alert(imgToShow.style.display);
    //}	
    return false;
}			


function checkFontSelection() {
 var fontSize = readCookie("font_size");
 
 if (!fontSize || fontSize == "" || fontSize == "regular") {
  return;
 }
 
 else {
  setFontSize(fontSize);
 }
}

function setFontSize(newSize) {
 window.document.body.className = newSize;
 createCookie("font_size", newSize);
 
 return false;
}

function createCookie(name, value, days) {
 if (days) {
  var date = new Date();
  date.setTime(date.getTime() + (days*24*60*60*1000));
  var expires = "; expires=" + date.toGMTString();
 }
 else expires = "";
 
 document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie(name) {
 var nameEQ = name + "=";
 var ca = document.cookie.split(';');
 
 for (var i=0; i < ca.length; i++) {
  var c = ca[i];
  while (c.charAt(0) == ' ') c = c.substring(1, c.length);
  if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
 }
 
 return null;
}