var gIm;


function handleOut(elname) {
    // hides all popups, parameter is the div name
    // function called on onmouseout of hyperlink parameter

    d = document.getElementById(elname) ;
    d.style.left = "-2650px";

    
    gIm.style.top = "0px";
	
   
 
}
function setLyr(obj1,lyr) {

    	var navpos = lyr.replace("Tab","");

   	obj = document.getElementById (obj1) ;
	var newX = findPosX(obj);
	var newY = findPosY(obj);	
	var x = document.getElementById(lyr);		
	var finy = 0;
	var finx = 0;	 
	finx = newX + 0; // starting point of nav item	  
	finy = newY + 92;// height of top nav item
	
		
	// must explicitly position each nav div, because of the lines

	
		
	
	if (navpos == 2)
	{
		finx = finx - 310;
	}
	else if (navpos == 1)
	{
		finx = finx - 75;
	}
	
	
	
		var tgs = obj.getElementsByTagName("img");
		tgs[0].style.position = "relative";
		tgs[0].style.top = "-92px";
		gIm = tgs[0];

	

	

	//set final position
	if(BrowserDetect.browser == "Explorer")
    {

    } else if (BrowserDetect.browser == "Chrome") {
		    finy = finy - 1;
    } else if (BrowserDetect.browser == "Safari") {
	    if (BrowserDetect.OS == "Mac") {
			    finy = finy - 1;
	    } else {
			    finy = finy -264;
	    }
    } 
    else
    {
		    finy = finy - 264;
    }
	
	 x.style.top =  finy + 'px'; 
	 x.style.left = finx + 'px';
	 
}
function findPosX(obj)
  { //recursively searches through dom to get x postion
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {//recursively searches through dom to get y postion
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }