function startLoading() {
	var ld=(document.all);
	var ns4=document.layers;
	var ns6=document.getElementById&&!document.all;
	var ie4=document.all;

	if (ns4)
		ld=document.loading;
	else if (ns6)
		ld=document.getElementById("loading").style;
	else if (ie4)
		ld=document.all.loading.style;
	
	ld.visibility="";
	ld.display="";
}

function stopLoading()	{
	var ld=(document.all);
	var ns4=document.layers;
	var ns6=document.getElementById&&!document.all;
	var ie4=document.all;

	if (ns4)
		ld=document.loading;
	else if (ns6)
		ld=document.getElementById("loading").style;
	else if (ie4)
		ld=document.all.loading.style;
	
	if(ns4){
		ld.visibility="hidden";
	}
	else if (ns6||ie4) 
		ld.display="none";
}