function showhide(obj, lyr, action)
{
	var x = new getObj(lyr);
	setLyr(obj,lyr);
	x.style.visibility = action;
}

function setLyr(obj,lyr)
{
	var newX = findPosX(obj);
	var newY = findPosY(obj);
	var x = new getObj(lyr);
	x.style.top = newY + 'px';
	x.style.left = newX + 'px';
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	var printstring = '';
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			printstring += ' element ' + obj.tagName + ' has ' + obj.offsetTop;
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	//window.status = printstring;
	return curtop;
}


function getObj(name)
{
 if (document.getElementById)
 {
	   this.obj = document.getElementById(name);
	   this.style = document.getElementById(name).style;
 }
 else if (document.all)
 {
	   this.obj = document.all[name];
	   this.style = document.all[name].style;
 }
 else if (document.layers)
 {
	   if (document.layers[name])
	   {
	   	this.obj = document.layers[name];
	   	this.style = document.layers[name];
	   }
	   else
	   {
	    this.obj = document.layers.testP.layers[name];
	    this.style = document.layers.testP.layers[name];
	   }
 }
}



  function nav_action_lev1(menu) {
    obj = document.getElementById(menu);
    nav_img = document.getElementById("nav_" + menu);
    if (obj.style.display!="none") {
      obj.style.display="none";
      nav_img.innerHTML="<img src='" +imgPath+ "nav_lev1_a.gif' border='0'>";      
	}  
    else {
      obj.style.display="block";
      nav_img.innerHTML="<img src='" +imgPath+ "nav_lev1_b.gif' border='0'>"; 
    }  
  }

    function nav_action_lev2(menu) {
    obj = document.getElementById(menu);
    nav_img = document.getElementById("nav_" + menu);
    if (obj.style.display!="none") {
      obj.style.display="none";
      nav_img.innerHTML="<img src='" +imgPath+ "nav_lev2_a.gif' border='0'>";      
	}  
    else {
      obj.style.display="block";
      nav_img.innerHTML="<img src='" +imgPath+ "nav_lev2_b.gif' border='0'>"; 
    }  
  }

//initialize global layer-related variables and check browser type
	//var atHome = where=="98.0.0.0"?true:false;
    var extra_1 = ".";
    var extra_2 = ".";
	
	var nn = false; var ie = false; var ns6 = false; var nolayer = false;
	if (document.all) { 
	
		//browser is ie4+
		ie = true;
        extra_1 = ".all.";
        extra_2 = ".style.";
	
	} else if (document.layers) {
	  	
    // browser is NS4+ 
    nn = true;
	 
	} else if (document.getElementById) {
	 // browser NS6+ code (ie5+ also supports this syntax)
    ns6 = true;
        extra_1 = ".getElementById('";
        extra_2 = "').style.";
	} 
	else {
		// old non-layer browser
		nolayer = true;
	
	}
	
	if (nolayer) alert ("Your browser must be version 4.0 or higher (Internet Explorer or Netscape) to use the menus at the left to navigate Asmanex.com.");

function which_layer(showLayer) {
  for (i=0; i<leftNavLayers.length; i++){
      if (leftNavLayers[i] == showLayer) {
        eval("document" + extra_1 + leftNavLayers[i] + extra_2 + "visibility = 'visible'");
      }
      else {
        eval("document" + extra_1 + leftNavLayers[i] + extra_2 + "visibility = 'hidden'");
      }    
  }  
}


function topNavShowHide(which, vis) {
    eval("document" + extra_1 + which + extra_2 + "visibility = '" + vis + "'");
}

function doNothing() {}