var newWin = null;
function closeWin(){
if (newWin != null){
if(!newWin.closed)
newWin.close();
}
}

function popUp(strURL,strType,strHeight,strWidth) {
closeWin();
var strOptions="";
if (strType=="console") strOptions="resizable,height="+strHeight+",width="+strWidth;
if (strType=="fixed") strOptions="status,height="+strHeight+",width="+strWidth;
if (strType=="elastic") strOptions="scrollbars,resizable,height="+strHeight+",width="+strWidth;
if (strType=="elastic2") strOptions="toolbar,menubar,scrollbars,resizable,location,height="+strHeight+",width="+strWidth;
if (strType=="elastic3") strOptions="menubar,scrollbars,resizable,location,height="+strHeight+",width="+strWidth;

newWin = window.open(strURL, 'newWin', strOptions);

newWin.focus();

}