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"; 
    }
}