function virtualPopup(url,largeur,hauteur,id,left,top){
	this.url = url;
	this.largeur = largeur;
	this.hauteur = hauteur;
	this.left = left;
	this.top = top;
	this.id = id;

	this.show = function showVPop()
	{
		/** mozilla **/
	
		var dgi = document.getElementById(this.id).style;
		var dgi2 = document.getElementById(this.id);
	
		dgi.left = this.left + "px";
		dgi.top = this.top + "px";
		dgi.backgroundColor="white";
		dgi.display="block";
	
		document.getElementById("if"+this.id).src=this.url;
		document.getElementById("if"+this.id).style.width=this.largeur + "px";
		document.getElementById("if"+this.id).style.height=this.hauteur + "px";
	}

	this.hide = function hideVPop()
	{
		document.getElementById(this.id).style.display='none';
		document.getElementById('if' + this.id).src="/empty.html";
	}
}