function OpenWin(url, name, x,y,resizable,scrollbars){
    if (document.all){
        var xMax = screen.width, yMax = screen.height;
    }
    else{
        if (document.layers){
            var xMax = window.outerWidth, yMax = window.outerHeight;
        }
        else{
            var xMax = 800, yMax=600;
        }
    }
    var xOffset = (xMax - x)/2, yOffset = (yMax - y)/2;
    ppts ="width="+x;
    ppts+=",height="+y;
    ppts+=",location=no";
    ppts+=",titlebar=no";
    ppts+=",screenX="+xOffset;
    ppts+=",screenY="+yOffset;
    ppts+=",alwaysRaised=yes";
    ppts+=",fullscreen=no";
    ppts+=",top="+yOffset;
    ppts+=",left="+xOffset;
    ppts+=",scrollbars="+scrollbars;
    ppts+=",resizable="+resizable;
    NewWin = window.open(url,name,ppts);
    if (NewWin.opener == null) NewWin.opener = self;
}