var isDOM = (document.getElementById ? true : false); 
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);

function getRef(id) {
if (isDOM) return document.getElementById(id);
if (isIE4) return document.all[id];
if (isNS4) return document.layers[id];
} 


defaultStatus = "ALPHACIF.COM"

function findPosX(obj)
{
	var curleft = 0;
	if (document.getElementById || document.all)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (document.layers)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (document.getElementById || document.all)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (document.layers)
		curtop += obj.y;
	return curtop;
}


//----------Image Swap 
function imgswap(obj1)
{	
		

	var obj = document.getElementById(obj1);
	if (obj.className == "btnswap2")
		obj.className = "btnswap";
	else
		obj.className = "btnswap2";
}

function setsource(obj1, newsource)
{	

	var obj = document.getElementById(obj1);
	obj.src = newsource;
}

function NewWindow(mypage,myname,w,h,scroll,pos)
		{
		LeftPosition=(screen.width)?(screen.width-w)/2:100;
		TopPosition=(screen.height)?(screen.height-h)/2:100;
		settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
		window.open(mypage,myname,settings);}

function checkEmail(text) 
{
  if (text.indexOf("@")<3){
    alert(" This email address seems wrong. Please"
    +" check the prefix and '@' sign.");
    return false;
  }
  if ((text.indexOf(".co")<4)&&(text.indexOf(".org")<5)
    &&(text.indexOf(".gov")<5)&&(text.indexOf(".net")<5)
    &&(text.indexOf(".ac")<4)&&(text.indexOf(".nl")<4)
    &&(text.indexOf(".mil")<5)&&(text.indexOf(".edu")<5))
  {
     alert(" This email address seems wrong. Please check the suffix.");
     return false;
  }
return true;
}