//preview 
function previewMsg(url){
var winWidth=500; var winHeight=500;

var wsss=eval(screen.width/2-winWidth/2);
var hsss=eval(screen.height/2-winHeight/2);

previewWin=window.open(url, 'cWin2', 'resizable=yes, scrollbars=yes, width='+winWidth+', height='+winHeight+', top='+wsss+', left='+hsss);

return;
}
//eof preview