function chgcell(EL,color)
{
		var cell=EL;
		cell.className=color;
}


function NewWindow(mypage,myname,w,h)
{
    var winl = (screen.width-w)/2;
    var wint = (screen.height-100-h)/2;
    if (winl < 0)
    	winl = 0;
    if (wint < 0)
    	wint = 0;
    var settings  ='height='+h+',width='+w+',top='+wint+',left='+winl+',resizable=yes,status=yes,scrollbars=yes,location=yes';
    var win=window.open(mypage,myname,settings);
    if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}