if (document.images) 
	{
	  	//var img = new Array('add','edit','next'); 
	    var topnav1h = new Image() 
	    topnav1h.src='/images/themes/standard/sd_topnav1h.gif'
		var topnav1u = new Image() 
	    topnav1u.src='/images/themes/standard/sd_topnav1u.gif'
		
	    var topnav2h = new Image() 
	    topnav2h.src='/images/themes/standard/sd_topnav2h.gif'
		var topnav2u = new Image() 
	    topnav2u.src='/images/themes/standard/sd_topnav2u.gif'
		
		var topnav3h = new Image() 
	    topnav3h.src='/images/themes/standard/sd_topnav3h.gif'
		var topnav3u = new Image() 
	    topnav3u.src='/images/themes/standard/sd_topnav3u.gif'
		
		var topnav4h = new Image() 
	    topnav4h.src='/images/themes/standard/sd_topnav4h.gif'
		var topnav4u = new Image() 
	    topnav4u.src='/images/themes/standard/sd_topnav4u.gif'
		
	    var topnav5h = new Image() 
	    topnav5h='/images/themes/standard/sd_topnav5h.gif'
		var topnav5u = new Image() 
	    topnav5u='/images/themes/standard/sd_topnav5u.gif'
		
		var topnav6h = new Image() 
	    topnav6h.src='/images/themes/standard/sd_topnav6h.gif'
		var topnav6u = new Image() 
	    topnav6u.src='/images/themes/standard/sd_topnav6u.gif'
		
		var topnav7h = new Image() 
	    topnav7h.src='/images/themes/standard/sd_topnav7h.gif'
		var topnav7u = new Image() 
	    topnav7u.src='/images/themes/standard/sd_topnav7u.gif'
		
	    var topnav8h = new Image() 
	    topnav8h.src='/images/themes/standard/sd_topnav8h.gif'
		var topnav8u = new Image() 
	    topnav8u.src='/images/themes/standard/sd_topnav8u.gif'

	} 

	function changeTo(imgName) 
	{ 
  		if(document.images) 
			{
				document.images[imgName].src = "/images/themes/standard/sd_"+imgName+"h.gif";
			}

  	}

	function changeBack(imgName) 
 	{ 
  		if(document.images) 
		{ 

    			document.images[imgName].src = "/images/themes/standard/sd_"+imgName+"u.gif"; 
      	} 
    }

	function PopUp(myURL, myWidth, myHeight ){

	window.open(myURL, 'newWin', 'left=25,top=20,toolbar=no,location=no,scrollbar=no,width='+myWidth+',height='+myHeight)

	}