function creatediv(id) 
{ 
	var newdiv=document.getElementById("show_div"); 
	newdiv.style.top=mouse_y;
	//newdiv.className = 'show_div';
	//alert((window.screen.height/2)-200);
	//newdiv.style.top=(window.screen.height/2)-200;
	newdiv.style.left=(window.screen.width/2)-300;
	newdiv.style.display = 'block';
}