// JScript File

function getposOffset(overlay, offsettype)

{

var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
var parentEl=overlay.offsetParent;

while (parentEl != null)
    {
    totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
    parentEl=parentEl.offsetParent;
    }
    return totaloffset;

}

function overlay(curobj, subobjstr, opt_position)

{
    if (document.getElementById)
        {
        var subobj= document.getElementById(subobjstr)
        subobj.style.display=(subobj.style.display!="block")? "block" : "none"
        var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
        var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0)
        subobj.style.left=xpos+"px"
        subobj.style.top=ypos+"px"
        
        return false
        }
    
    else
    
    return true
}

function overlayclose(subobj)
{
document.getElementById(subobj).style.display="none"
}