// Rollover functions
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
	function preloadImages() {
		if (document.images) {
			nav_contactus_on = newImage("../images/nav_contactus-on.gif");
			nav_clinicaltrials_on = newImage("../images/nav_clinicaltrials-on.gif");
			nav_tdp_on = newImage("../images/nav_tdp-on.gif");
			nav_investorrel_on = newImage("../images/nav_investorrel-on.gif");
			nav_contactus_on = newImage("../images/nav_contactus-on.gif");
			nav_careers_on = newImage("../images/nav_careers-on.gif");		
			nav_corporate_on = newImage("../images/nav_corporate-on.gif");				
			preloadFlag = true;
		}
	}
	
	
function checkData(Form) {
	var strErrMsg = "";
				
	if (Form.name.value == '') {
		strErrMsg += " - Name is required\n"
	}
	
	if (Form.email.value == '') {
		strErrMsg += " - Email address is required\n"
	}	
	else
	{	
		// test if valid email address, must have @ and .
		var checkEmail = "@.";
		var checkStr = Form.email.value;
		var EmailValid = false;
		var EmailAt = false;
		var EmailPeriod = false;
		for (i = 0;  i < checkStr.length;  i++)
		{
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkEmail.length;  j++)
			{
				if (ch == checkEmail.charAt(j) && ch == "@")
				EmailAt = true;
				if (ch == checkEmail.charAt(j) && ch == ".")
				EmailPeriod = true;
			  	if (EmailAt && EmailPeriod)
					break;
			  	if (j == checkEmail.length)
					break;
			}
			// if both the @ and . were in the string
			if (EmailAt && EmailPeriod)
			{
				EmailValid = true
				break;
				
			}
			
		}
		if (!EmailValid)
		{
			strErrMsg += " - The email field must contain an \"@\" and a \".\".\n"
		}
	}
	
	if (Form.comments.value == '') {
		strErrMsg += " - Comments are required\n"
	}
	
	if (strErrMsg != '') {
		alert("Please correct the following errors:\n\n" + strErrMsg);
		return false;
		
	}else {			
		return true;
	}				
}

function openWindow(url){
	var w = 800;
	var h = 550;
	var x = ((screen.width-w)/2);
	var y = ((screen.height-h)/2);
	window.open(url,'','screenx='+x+',screeny='+y+',left='+x+',top='+y+',width='+w+',height='+h+',scrollbars=yes,location=no,resizable=yes,toolbar=no,menubar=no',false);
}


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_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;
}

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_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 openNewWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function checkSearch(Form) {
	var strErrMsg = "";
				
	if (Form.sSearch.value == '') {
		strErrMsg += " - Search Text is required\n"
	}
		
	if (strErrMsg != '') {
		alert("Following Errors Occured on submission:\n\n" + strErrMsg);
		return false;
		
	}else {			
		return true;
	}				
}