var isinit=0;
var yinit=0;

function findPosY(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 getObj(name)
{
 if (document.getElementById)
 {
	   this.obj = document.getElementById(name);
	   this.style = document.getElementById(name).style;
 }
 else if (document.all)
 {
	   this.obj = document.all[name];
	   this.style = document.all[name].style;
 }
 else if (document.layers)
 {
	   if (document.layers[name])
	   {
	   	this.obj = document.layers[name];
	   	this.style = document.layers[name];
	   }
	   else
	   {
	    this.obj = document.layers.testP.layers[name];
	    this.style = document.layers.testP.layers[name];
	   }
 }
}


function getWinHeight() {
		if (document.all) {
			return window.document.all.win.offsetHeight;
		} else {
			return window.innerHeight;
		}
}

function init() {
	isinit=1;
	i=new getObj("page_footer")
	yinit = findPosY(i.obj);
	checkpos();
}


function checkpos() {
	if (isinit) {
		h=104;
		i=new getObj("page_footer")
		wh=getWinHeight();
		mt=wh-h-yinit;
		if (mt<0) mt=0
		i.style.top=mt+"px";
	}
}

window.onresize = checkpos;