function ExternalWindow(wsource,wname,attrs) {
extwin=window.open(wsource,wname,attrs);
extwin.focus();
}
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 MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
function hideSubs(the_sub){
if(document.getElementById(the_sub).style.display==""){
	document.getElementById(the_sub).style.display = "none";return}

}

function displaySubs(the_sub){
if(document.getElementById(the_sub).style.display=="none"){
	document.getElementById(the_sub).style.display = "";return}

}

function changeBack(the_sub){
if(document.getElementById(the_sub).style.backgroundColor == ""){
	document.getElementById(the_sub).style.color = "FFFFFF";
	document.getElementById(the_sub).style.backgroundColor = "333333";return}
}

function chkForm(){
	if (document.contact.first_name.value == "")
		{
		alert("Please input your first name.");
		document.contact.first_name.focus();
		return false;
		}
	
	if (document.contact.last_name.value == "")
		{
		alert("Please input your last name.");
		document.contact.last_name.focus();
		return false;
		}
		
	if (document.contact.company.value == "")
		{
		alert("Please input your organization.");
		document.contact.company.focus();
		return false;
		}
		
	if (document.contact.company_address.value == "")
		{
		alert("Please input your organization address.");
		document.contact.company_address.focus();
		return false;
		}
	
	if (document.contact.zip_postal.value == "")
		{
		alert("Please input your ZIP/Postal Code.");
		document.contact.zip_postal.focus();
		return false;
		}
		
	if (document.contact.city.value == "")
		{
		alert("Please input your city.");
		document.contact.city.focus();
		return false;
		}
  	if (document.contact.state.value == "")
		{
		alert("Please input your state/province.");
		document.contact.state.focus();
		return false;
		}
		
	if (document.contact.telephone.value == "")
		{
		alert("Please input your telephone number.");
		document.contact.telephone.focus();
		return false;
		}			
			
	if (document.contact.email.value == "")
		{
		alert("Please input your Email address.");
		document.contact.email.focus();
		return false;
		}
	if ((document.contact.email.value.indexOf('@') == -1) || (document.contact.email.value.indexOf('.') == -1))
		{
		alert("Invalid Email address.");
		document.contact.email.focus();
		return false;
		}
}

function chkSubForm(){
	if (document.contact.email.value == "")
		{
		alert("Please input your Email address.");
		document.contact.email.focus();
		return false;
		}
	if ((document.contact.email.value.indexOf('@') == -1) || (document.contact.email.value.indexOf('.') == -1))
		{
		alert("Invalid Email address.");
		document.contact.email.focus();
		return false;
		}
}

function nav()
	{
	var w = document.country.selectcountry.selectedIndex;
	var url_add = document.country.selectcountry.options[w].value;
	window.location.href = url_add;
	
}

function nav2()
	{
	var w = document.vertical.selectvertical.selectedIndex;
	var url_add = document.vertical.selectvertical.options[w].value;
	window.location.href = url_add;
	
}

function openWin( windowURL, windowName, windowFeatures ) { 
  return window.open( windowURL, windowName, windowFeatures ) ; 

}

function popUpPDF(url, winName, w, h){
  var t = (screen.height - h) / 2;
  var l = (screen.width - w) / 2;
  var s = new String('width=' + w + ',height=' + h + ',top=' + t + ',left=' + l + ',titlebar=0,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=1');
  var newWindow = openWin(url, winName, s);
  newWindow.focus();
  return true;
  
}

function popUpSTD(url, winName, w, h){
  var t = (screen.height - h) / 2;
  var l = (screen.width - w) / 2;
  var s = new String('width=' + w + ',height=' + h + ',top=' + t + ',left=' + l + ',titlebar=0,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0');
  var newWindow = openWin(url, winName, s);
  newWindow.focus();
  return true;
  
}

function popUpCourse(url, winName, w, h){
  var t = (screen.height - h) / 2;
  var l = (screen.width - w) / 2;
  var s = new String('width=' + w + ',height=' + h + ',top=' + t + ',left=' + l + ',titlebar=0,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=1,resizable=1');
  var newWindow = openWin(url, winName, s);
  newWindow.focus();
  return true;
  
}