ns4 = document.layers; 
ie4 = document.all; 
nn6 = document.getElementById && !document.all;

function getObject(Obj){
	if(ns4){
		var ObjectReturned = document.Obj;
	}else if(ie4){ 
		var ObjectReturned = document.all[Obj]
	}else if(nn6){ 
		var ObjectReturned = document.getElementById(Obj);
	}
	return ObjectReturned;
}

function f_clientWidth() {
	return f_filterResults (
		window.innerWidth ? window.innerWidth : 0,
		document.documentElement ? document.documentElement.clientWidth : 0,
		document.body ? document.body.clientWidth : 0
	);
}
function f_clientHeight() {
	return f_filterResults (
		window.innerHeight ? window.innerHeight : 0,
		document.documentElement ? document.documentElement.clientHeight : 0,
		document.body ? document.body.clientHeight : 0
	);
}
function f_scrollLeft() {
	return f_filterResults (
		window.pageXOffset ? window.pageXOffset : 0,
		document.documentElement ? document.documentElement.scrollLeft : 0,
		document.body ? document.body.scrollLeft : 0
	);
}
function f_scrollTop() {
	return f_filterResults (
		window.pageYOffset ? window.pageYOffset : 0,
		document.documentElement ? document.documentElement.scrollTop : 0,
		document.body ? document.body.scrollTop : 0
	);
}
function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}

function changeOpacity(opacity, id) {  
	var object = document.getElementById(id).style;  
	object.opacity = (opacity / 100); 
	object.MozOpacity = (opacity / 100);  
	object.KhtmlOpacity = (opacity / 100);  
	object.filter = "alpha(opacity=" + opacity + ")";  
}

function ontransDisplayDisclaimer(){
	getObject('filter_trans').style.display = "block";
	getObject('disclaimer_on_trans').style.top = f_clientHeight() / 2 - (320/2) + 'px';
	getObject('disclaimer_on_trans').style.display = "block";
}

function ontransCloseDisclaimer(){
	getObject('filter_trans').style.display = "none";
	getObject('disclaimer_on_trans').style.display = "none";
}