function openWindow(c,e,a,b,d){sW=Math.round((screen.width/2)-(a/2));
sH=Math.round((screen.height/2)-((b/2)+27));
window.open(c,e,"width="+a+",height="+b+","+d+",left="+sW+",top="+sH)
}function IsNumeric(c){var d="0123456789";
var b=true;
var a;
for(i=0;
i<c.length&&b==true;
i++){a=c.charAt(i);
if(d.indexOf(a)==-1){b=false
}}return b
}function goback(a){document.dummyhesabim.game.value=a;
document.dummyhesabim.submit()
};