function beforeJumpToPop(url)
{ 
var h=screen.availHeight-120;
var w=screen.availWidth-100;		 
str="width="+w+",height="+h+", top=0, left=0, menubar=no,toolbar=yes, scrollbars=yes,status=no,resizable=yes";
winpop=window.open(url,"pop",str);
winpop.focus();		     
}

function ToPop(url)
{ 
var h=screen.availHeight-180;
var w=screen.availWidth-160;		 
str="width="+w+",height="+h+", top=0, left=0, menubar=no,toolbar=no, scrollbars=yes,status=no,resizable=yes";
winpop=window.open(url,"popforum",str);
winpop.focus();		     
}


function navhelp(url)
{
	winhelp=window.open(url,"help","width=600, height=400, menubar=no,toolbar=yes,scrollbars=yes,status=no,resizable=yes");
	winhelp.focus();
}