var Xoffset=-60;    // modify these values to ...
var Yoffset= 20;    // change the popup position.

var popupId="tooltip-box";

var is_ie=document.all?true:false;
document.onmousemove=get_mouse;

var skn=null;

function popup(msg, bak){

    var elem=document.getElementById(popupId);
    skn=elem.style;
    
    var content="<div class='tooltip'>"+msg+"</div>";

    elem.innerHTML=content;
    skn.visibility="visible";

}


function get_mouse(e){
    if (skn) {
        var mx, my;
        if (is_ie) { // grab the x-y pos.s if browser is IE
            mx = event.clientX + document.body.scrollLeft;
            my = event.clientY + document.body.scrollTop;
        } else {  // grab the x-y pos.s if browser is NS
            mx = e.pageX;
            my = e.pageY;
        }  
        // catch possible negative values in NS4
        if (mx < 0){mx = 0;}
        if (my < 0){my = 0;}  
        
        skn.left=mx+Xoffset;
        skn.top=my+Yoffset;
    }
}

function kill(){
    skn.visibility="hidden";
}