function display_cloud4(){
	var argv = display_cloud4.arguments;
	var argc = display_cloud4.arguments.length;
	var obj = document.getElementById( argv[0] );
	var ev = argv[1];
	obj.style.display = obj.style.display == "block" ? "none" : "block";    
	obj.style.left = ( ev.clientX - 295 + getBodyScrollLeft() ) + "px";
	obj.style.top = ( ev.clientY + 35 + getBodyScrollTop() ) + "px";
}
function getBodyScrollTop(){
	return self.pageYOffset || (document.documentElement && document.documentElement.scrollTop) || (document.body && document.body.scrollTop);
}

function getBodyScrollLeft(){
	return self.pageXOffset || (document.documentElement && document.documentElement.scrollLeft) || (document.body && document.body.scrollLeft);
}