function enlargeme(ptgp)
{
var ptg=ptgp
 if (document.all)
        var xMax = screen.width, yMax = screen.height;
    else
        if (navigator.appName=='Microsoft Internet Explorer')
			var xMax = window.outerWidth, yMax = window.outerHeight;   
        else
           var yMax = window.screen.availHeight, xMax=window.screen.availWidth;  

    var xOffset = (xMax - 484)/2, yOffset = (yMax - 394)/2;

    window.open(ptg,'121work','toolbar=no,scrollbars=0,location=no,status=no,menubar=no,resizable=no,width=484,height=394,screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');

}