function Inv(obj,s){if(obj) obj.style.filter='progid:DXImageTransform.Microsoft.BasicImage(invert='+s+')'}
function oWindow(iPath,iName){
	var iTop  = (screen.height-600) / 2 ;
	var iLeft = (screen.width-550) / 2 ;
	var sOptions = "toolbar=no" ;
	sOptions += ",width=" + 550 ; 
	sOptions += ",height=" + 600 ;
	sOptions += ",resizable="  + ("yes") ;
	sOptions += ",scrollbars=" + ("yes") ;
	sOptions += ",left=" + iLeft ;
	sOptions += ",top=" + iTop ;
	var oWindow = window.open(iPath, iName, sOptions);
	oWindow.focus();
}