function okCancel(str) {
    var browser=navigator.appName;
    if(browser=="Microsoft Internet Explorer") {
        if(confirm(str)) {
            return true;
        } else {
            event.returnValue = false;
            return false;
        }
    } else {
        if (str=='') str='Are you sure>';
        if(confirm(str)) {
            return true;
        } else {
            return false;
        }
    }
}


$(document).ready(function() {
    if( $.fn.pngfix != null )
        $("img[@src$=png]").pngfix();
    var tmpalt;
    $("img").hover( 
        function()
        {
            tmpalt = $(this).attr( "alt" );
            $(this).attr( "alt", "" );
        },
        function()
        {
            $(this).attr( "alt", tmpalt );
        }
    );
}
);


var cX = 0; var cY = 0; var rX = 0; var rY = 0;
function UpdateCursorPosition(e){ cX = e.pageX; cY = e.pageY;}
function UpdateCursorPositionDocAll(e){ cX = event.clientX; cY = event.clientY;}
if(document.all) { document.onmousemove = UpdateCursorPositionDocAll; }
else { document.onmousemove = UpdateCursorPosition; }
function AssignPosition(d) {
    if(self.pageYOffset) {
        rX = self.pageXOffset;
        rY = self.pageYOffset;
    }
    else if(document.documentElement && document.documentElement.scrollTop) {
        rX = document.documentElement.scrollLeft;
        rY = document.documentElement.scrollTop;
    }
    else if(document.body) {
        rX = document.body.scrollLeft;
        rY = document.body.scrollTop;
    }
    if(document.all) {
        cX += rX; 
        cY += rY;
    }
    d.style.left = (cX+10) + "px";
    d.style.top = (cY+10) + "px";
}
function HideContent(d) {
    if(d.length < 1) { return; }
    document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
    if(d.length < 1) { return; }
    var dd = document.getElementById(d);
    AssignPosition(dd);
    dd.style.display = "block";
}
function ReverseContentDisplay(d) {
    if(d.length < 1) { return; }
    var dd = document.getElementById(d);
    AssignPosition(dd);
    if(dd.style.display == "none") { dd.style.display = "block"; }
    else { dd.style.display = "none"; }
}