function showLoadingDiv() {
	document.getElementById("loadingDiv").className = "trans";
	//document.getElementById("loadingDiv").style.height = (screen.height)+"px";
	
	if (window.innerHeight)
		winH = window.innerHeight;
	else if (document.all) //else if browser supports document.all (IE 4+)
		winH = document.body.clientHeight;

	document.getElementById("loadingDiv").style.height = winH+"px";
	
	// if ie
	if (navigator.appVersion.indexOf("MSIE")!=-1){
		document.getElementById("loadingDiv").style.position = "absolute";
	}
	
	window.onscroll = disableScrolling
}

function hideLoadingDiv() {
	document.getElementById("loadingDiv").className = "transHidden";
	
	enableScrolling();
}

function disableScrolling() {
	window.scrollTo(0, 0);
}

function enableScrolling() {
	window.onscroll = '';
}