function Is ()
{
	this.dom = (document.getElementById)? true : false;
	this.ie = (this.dom && document.all && !window.opera)? true : false;
}

var is = new Is();
function showdiv(lay,even)
{
	if(is.ie) {
		wx=event.clientX+document.body.scrollLeft;
		wy=event.clientY+document.body.scrollTop;
		document.all(lay).style.visibility = 'visible';
		document.all(lay).style.top=wy+5;
		document.all(lay).style.left=wx+30;
	}	
	else if(is.dom) {
		var wx =even.pageX 
		var wy = even.pageY 
		document.getElementById(lay).style.visibility = 'visible';
		document.getElementById(lay).style.top=wy+5;
		document.getElementById(lay).style.left=wx+30;
	};		
	
}

function hidediv(lay)
{
	if(is.ie)document.all(lay).style.visibility = 'hidden';
	else if(is.dom) document.getElementById(lay).style.visibility = 'hidden';
	
}