// JavaScript Document
function addLoadListener(fn)
{
	if(typeof window.addEventListener != 'undefined')
	{
		window.addEventListener('load',fn,false);
	}
	else if (typeof document.addEventListener != 'undefined')
	{
		document.addEventListener('load', fn, false);
	}
	else if (typeof window.attachEvent != 'undefined')
	{
		window.attachEvent('onload', fn);
	}
	else
	{
		var oldfn = window.onload;
		if(typeof window.onload != 'function')
		{
			window.onload = fn;
		}
		else
		{
			window.onload = function()
			{
				oldfn();
				fn();
			};
		}
	}
};

function attachEventListener(target, eventType, functionRef, capture){
	if(typeof target.addEventListener != "undefined"){
		target.addEventListener(eventType, functionRef, capture);
	}
	else if (typeof target.attachEvent != "undefined"){
		target.attachEvent("on" + eventType, functionRef);
	}
	else {
		eventType = "on" + eventType;
		if(typeof target [evetType] == "function"){
			var oldListener = target[eventType];
			target[eventType] = function(){
				oldListener();
				return functionRef;
			};
		}
		else {
			target[eventType] = functionRef;
		}
	}
	return true;
};
function getElementsByClassName(oElm, strTagName, oClassNames){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	var arrRegExpClassNames = new Array();
	if(typeof oClassNames == "object"){
		for(var i=0; i<oClassNames.length; i++){
			arrRegExpClassNames.push(new RegExp("(^|\s)" + oClassNames[i].replace(/-/g, "\-") + "(\s|$)"));
		}
	}
	else{
		arrRegExpClassNames.push(new RegExp("(^|\s)" + oClassNames.replace(/-/g, "\-") + "(\s|$)"));
	}
	var oElement;
	var bMatchesAll;
	for(var j=0; j<arrElements.length; j++){
		oElement = arrElements[j];
		bMatchesAll = true;
		for(var k=0; k<arrRegExpClassNames.length; k++){
			if(!arrRegExpClassNames[k].test(oElement.className)){
				bMatchesAll = false;
				break;
			}
		}
		if(bMatchesAll){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}
function resizeScreen(){
	attachEventListener(window, "resize", getScreenHeight, false);
};
function getScreenHeight(){
    if(typeof( window.innerWidth ) == 'number') {
        scrHeight = window.innerHeight;
    }else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        scrHeight = document.documentElement.clientHeight;
    }else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        scrHeight = document.body.clientHeight;
    }
	var footer=getElementsByClassName(document, 'div', 'footerhome')[0];
	if(document.getElementById('contenthome')!=0){
	    var content=document.getElementById('contenthome');
	    var contentHeight=content.offsetHeight+74+72;
		if((scrHeight-72)<contentHeight){
			footer.style.top=contentHeight+'px';
		}else{
			footer.style.top=scrHeight-72+'px';
		}
	}else{
	    footer.style.top=scrHeight-72+'px';
	}
}
addLoadListener(getScreenHeight);
addLoadListener(resizeScreen);