// This site designed and developed by EAS Enterprises.
// www.easent.net   12/2001

var doCheck = (document.all!=null);
var openId="none";

function rollOut(name) {
	parent.leftFrame.document.images[name].src = "/images/"+name+"a.gif";
}

function rollOver(name) {
	parent.leftFrame.document.images[name].src = "/images/"+name+"b.gif";
}


function getLayer(id) {        
   if (doCheck)       
      return document.all[id];
   else
      return document.layers[id];
}

function showLayer(id) {        
   var get = getLayer(id)
   if (get != null)          
      if (doCheck)
         get.style.visibility = "visible";
      else 
         get.visibility = "show";
}      
  
function hideLayer(id) {
   var get = getLayer(id)        
   if (get != null)          
      if (doCheck)
         get.style.visibility = "hidden";
      else
         get.visibility = "hide";
}

function drillDown(id,div) {
	if (div == 'yes') {
		idDiv = id+'Div';
		if (openId == 'none') {
			showLayer(idDiv);
			rollOver(id);
			openId = id;
			openIdDiv = idDiv;
		} else {
			hideLayer(openIdDiv);
			rollOut(openId);
			showLayer(idDiv);
			rollOver(id);
			openId = id;
			openIdDiv = idDiv;
		}
	} else {
		if (openId == 'none') {
			rollOver(id);
		} else {
			hideLayer(openIdDiv);
			rollOut(openId);
			rollOver(id);
			openId = 'none';
		}
	}
}

function divRollover(name) {
	openId = name;
	openIdDiv = name+"Div";
	showLayer(openIdDiv);
	rollOver(openId);
}

function divRollout(name) {
	hideLayer(name+'Div');
	rollOut(name);
	openId = 'none';
	openIdDiv = 'none';
}

function closeBut(name) {
	hideLayer(name+'Div');
	rollOut(name);
	openId = 'none';
	openIdDiv = 'none';
}

function emailvalidation(entered, alertbox) {
	with (entered) {
		apos=value.indexOf("@"); 
		dotpos=value.lastIndexOf(".");
		lastpos=value.length-1;
		if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2) {
			if (alertbox) {
				alert(alertbox);
			} 
			return false;
		} else {
			return true;
		}
	}
}