var type = "ie"; //hold default browser id.
refElem(); //int function.

function refElem() {
	if (navigator.userAgent.indexOf("Opera")!=-1 && document.getElementById) type="opera";
	else if (document.all) type="ie";							
	else if (document.layers) type="ns";							
	else if (!document.all && document.getElementById) type="mozilla";			
	else type = "ie";									
}

function showPicNum(Num) {
	if (type=="ie") {document.all.picnum.innerHTML = Num;
	}else if (type=="ns") {
		document.layers[picnum].document.open();
		document.layers[picnum].document.write(Num);
		document.layers[picnum].document.close();
	}else if (type=="mozilla" || type=="opera") {document.getElementById('picnum').innerHTML = Num;
	}
}