function OpenPopup(url,width,heigth)
	{
	w = width;
	h = heigth;
	var winleft = (screen.width - w) / 2;
	var wintop = (screen.height - h) / 2;
	OpenWindow( url ,'popup_trirui','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,height='+h+',width='+w+',top='+wintop+',left='+winleft, w, h );
	}
	
function OpenWindow( theURL, theTitle, theParams)
	{
	//
	var theNewWindow   = null;
	//
	theNewWindow = window.open( theURL, theTitle, theParams );
	}