function show_help(targetId)
{
   var targetElement;
       targetElement = document.getElementById(targetId);
       targetElement_ = document.getElementById(targetId+"_");

if (targetElement.style.display == "none")
{
 targetElement.style.display = "";
 targetElement_.style.color = "#A40000";

 if(sel_opt!='' && sel_opt!=targetElement)
 {
   sel_opt.style.display='none';
   sel_opt_.style.color = "";
 }
 sel_opt=targetElement;
 sel_opt_ =targetElement_;
}
else
{
 targetElement.style.display = "none";
 targetElement_.style.color = "";
}
}

    function GoUp()
    {
     scroll(0,0);
    }

function Point(arg) {
  eval("document."+arg).Play();
  document.location.replace("#"+arg);
}

 function light_on(targetId)
 {
   var targetElement;
       targetElement = document.getElementById(targetId);

      targetElement.style.display="";
 }

 function light_off(targetId)
 {
   var targetElement;
       targetElement = document.getElementById(targetId);

      targetElement.style.display="none";
 }




 function gId(obj_id)
{
        return document.getElementById(obj_id);
}

function fadeandclose(obj)
{
        opacity(obj.id, 100, 0, 600);
        setTimeout("gId('"+obj.id+"').style.display = 'none';", 805);
        obj.onclick = null;
}

function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {

            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = gId(id).style;

    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);

    object.filter = "alpha(opacity=" + opacity + ")";
}