var url = null; //global variable
popupWins = new Array();
function windowOpener(url, name, args) {
/******************************* 
the popupWins array stores an object reference for
each separate window that is called, based upon
the name attribute that is supplied as an argument
*******************************/
if ( typeof( popupWins[name] ) != "object" ){
popupWins[name] = window.open(url,'NewListings','width=670,height=800,left=600,resizable=yes,scrollbars=yes,toolbar=yes');
} else {
if (!popupWins[name].closed){
popupWins[name].location.href = url;
} else {
popupWins[name] = window.open(url,name,args);
}
}
popupWins[name].focus();
}