IE = (document.all)? true:false;
FF = (document.getElementById && !document.all)? true:false;
NS = (document.layers && !document.all)? true:false;
x = 0;
y = 0;

if(IE){
  	document.onmousemove=move;
}else if(NS){
	window.captureEvents(Event.MOUSEMOVE);
   	window.onmousemove=move;
}else{
   	window.onmousemove=move;
}

function move(e) {
	
   	if(IE){		
       	x=window.event.clientX + document.documentElement.scrollLeft; 
		y=window.event.clientY + document.documentElement.scrollTop; 
   	}else if(NS){
      	x=e.pageX;
		y=e.pageY;
	}else{
      	x=e.pageX;
		y=e.pageY;
	}
}

function showDiv(obj){
	
	if (IE){
		document.all[obj].style.left = x - 300 ;
		document.all[obj].style.top = y;
		document.all[obj].style.display = "block";
	}else if (NS) {
		document.layers(obj).style.left = x;
		document.layers(obj).style.top = y;
		document.layers(obj).style.display = "block";
	}else {
		document.getElementById(obj).style.left = x - 300 + 'px';
		document.getElementById(obj).style.top = y + 'px';
		document.getElementById(obj).style.display = "block";
	}
	alert(document.all[obj].style.width);
}

function hideDiv(obj){
	document.getElementById(obj).style.display = "none";
}