function popupWindow(url, title, width, height) 
{           
	winLeft = 0;
    winTop  = 0;
	
	if ( parseInt(navigator.appVersion.substring(0,1)) >= 4 ) 
	{
    	winLeft  = ((screen.width  - width ) / 2);
        winTop  = ((screen.height - height) / 2) - 20;
	}
	window.open(url, title, 'width='+width+',height='+height+',top='+winTop+',left='+winLeft+',toolbar=0,directories=0,menubar=0,status=0,resizable=0,location=0,scrollbars=1,copyhistory=0');
}
	
function getObject(id)
{
	if (document.getElementById)
	{
		this.obj = document.getElementById(id);
		this.style = document.getElementById(id).style;
	}
	else if (document.all)
	{
		this.obj = document.all[id];
		this.style = document.all[id].style;
	}
	else if (document.layers)
	{
		this.obj = document.layers[id];
		this.style = document.layers[id];
	}
}

function SetHeight(id, height)
{
	var x = new getObject(id);
	x.style.height = height;
}

function CorrectHeight(contentId, menuId, menuBackgroundId)
{
	var ua 	= navigator.userAgent.toLowerCase();
	var platform_isWin  = ua.indexOf('win') != -1;
	
	if(!document.layers)
	{

		var menu = new getObject(menuId);
		var menuHeight = menu.obj.scrollHeight + menu.obj.offsetTop + menu.obj.parentElement.offsetTop;
	
		var content = new getObject(contentId);
		var bodyHeight = content.obj.scrollHeight + content.obj.offsetTop + content.obj.parentElement.offsetTop;

		if (self.innerHeight) // all except Explorer
		{
			windowHeight = self.innerHeight;
		}
		else if (document.documentElement && document.documentElement.clientHeight)
		// Explorer 6 Strict Mode
		{
			windowHeight = document.documentElement.clientHeight;
		}
		else if (document.body) // other Explorers
		{
			windowHeight = document.body.clientHeight;
		}
		if (bodyHeight > windowHeight || menuHeight > windowHeight)
		{	
			if (menuHeight > bodyHeight)
			{
				bodyHeight = menuHeight;			
			}
			if(platform_isWin)
			{
				bodyHeight = bodyHeight+'px';
			}
		}
		else
		{
			bodyHeight = "100%";
		}
		SetHeight(menuBackgroundId, bodyHeight);
	}
}

function getElementPosY(obj)
{
	var curtop = 0;
	
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
	{
		curtop += obj.y;
	}
	return curtop;		
}

function getElementHeight(obj)
{
   	ht = obj.offsetHeight;
    return ht;
}

function setElementPosY(obj, pos)
{
	obj.style.top = pos;
}

function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function setFocus(form, field)
{
	document.forms[form].elements[field].focus();
}