//window.onload = prepareLinks;

window.onload = function()
{
	prepareLinks();
	highlightNav();
	initOverLabels();

}


function prepareLinks()
{
	var links = document.getElementsByTagName("a");
	for (var i=0; i<links.length; i++)
	{
		if (links[i].getAttribute("className"))
		{
			if (links[i].getAttribute("classname") == "external") 
			{
				if (links[i].getAttribute('title') == '')
					links[i].setAttribute("title","(opens in a new window)");
				links[i].onclick = function()
				{
					OpenNewWindow(this.getAttribute('href'));
					return false;
				}
			}
			else if (links[i].getAttribute('classname').substring(0,6) == 'popup_')
			{
				links[i].setAttribute('title','this is a popup');
				links[i].onclick = function()
				{
					popup(50,50,this.getAttribute('classname').split('_')[1],this.getAttribute('classname').split('_')[2],this.getAttribute('href'));
					return false;
				}
			}
			else
			{
	//			var linkText  = links[i].firstChild.nodeValue;
	//			links[i].setAttribute('title','this is a link to '+linkText);
			}
		}
		else if (links[i].getAttribute("class"))
		{
			if (links[i].getAttribute("class"))
			{
				if (links[i].getAttribute("class") == "external") 
				{
					if (links[i].getAttribute('title') == '')
						links[i].setAttribute("title","(opens in a new window)");
					links[i].onclick = function()
					{
						OpenNewWindow(this.getAttribute('href'));
						return false;
					}
				}
				else if (links[i].getAttribute('class').substring(0,6) == 'popup_')
				{
					links[i].setAttribute('title','this is a popup');
					links[i].onclick = function()
					{
						popup(50,50,this.getAttribute('class').split('_')[1],this.getAttribute('class').split('_')[2],this.getAttribute('href'));
						return false;
					}
				}
			}
		}
  	}
}


function popup(x,y,w,h,fn)
{
	NewWindow = window.open(fn,'descr','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=0,scrollbars=1,resizable=1,copyhistory=no,width='+w+',height='+h+', top='+y+',left='+x)
}


function OpenNewWindow(fn)
{
	NewWindow = window.open(fn)
}


function showTitle(ff)
{
	ff.title = 'opens in new window';
}

function removeSubMenux()
{
	//REMOVE THE SUB NAVIGATION FOR JAVASCRIPT ENABLED BROWSERS
	var javaContainer = document.getElementById('javaContainer');
	var noneJava = document.getElementById('noneJava');
	if (noneJava != null)
		javaContainer.removeChild(noneJava);
}



function helpm(no,w,h,t,l,hname)
{
	NewWindow=window.open('/help/helpDisplay.asp?fl='+no+'#'+hname,'descr','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=0,scrollbars=1,resizable=1,copyhistory=no,width='+w+',height='+h+',top='+t+',left='+l)
}


function confirmSubmit(fl)
{
	var agree = confirm('Are you sure you wish to delete '+fl+'?');
	if (agree)
		return true ;
	else
		return false ;
}

function checkFormFields()
{
	var email = document.forms[0].email.value;
	var name = document.forms[0].name.value;
	var vf = false;
	var msg = '';
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(email))
		vf = true;
	else
	{
		msg = 'Sorry it looks like you have entered an invalid email address.\n';
		vf = false;
	}

	if (name.length == 0)
	{
		msg = msg + 'You have forgotten to fill in your name.\n';
		vf = false;
	}
	else if (vf)
		vf = true;
	
	if (msg != '')
		alert(msg);
	return vf;
}

function menuLevel(mcat_id)
{
	var mtopLevel = '';
	var msection = '';
	for(i=1;i<10;i++)
	{
		mtopLevel = 'top_'+i
		msection = document.getElementById(mtopLevel);
		if (msection)
			msection.className = '';
	}
	mtopLevel = 'top_'+mcat_id
	msection = document.getElementById(mtopLevel);
	msection.className = 'section';
	
}


function removeSubMenux()
{
	//REMOVE THE SUB NAVIGATION FOR JAVASCRIPT ENABLED BROWSERS
	var javaContainer = document.getElementById('javaContainer');
	var noneJava = document.getElementById('noneJava');
	if (noneJava != null)
		javaContainer.removeChild(noneJava);
}

function handon()
{
	//alert('here')
	document.body.style.cursor = 'pointer';
}

function Ion()
{
	document.body.style.cursor = 'text';
}

function printpage()
{
	self.print();
}


function highlightNav(){
	var nav = document.getElementById('mainnav');
	if (nav == null){
		return;
	}
	
	var elements = nav.getElementsByTagName('a');
	var currentElement;
	var theLink;
	var currentPage = window.location.protocol + '//' + window.location.host + window.location.pathname.toLowerCase();
	for (var i = 0; i < elements.length; i++){
		currentElement = elements[i];
		theLink = currentElement //.childNodes[0];
		if (currentPage == theLink.href){
			if (currentElement.className != null && currentElement.className != ''){
				currentElement.className += " onpage";
			} else {
				currentElement.className += "onpage"; //alert(currentElement.className)
			}
		}
	}
	//alert(currentPage)
}