var imagenes = ["tl_files/images/top/1.jpg", "tl_files/images/top/2.jpg", "tl_files/images/top/3.jpg"];
	var imgactual = imagenes[Math.floor(Math.random() * imagenes.length)];

	function imginicial() 
	{
		document.images.rotar.src = imgactual;
	}
	
	function addfavorites()
	{
		if ((navigator.appName=="Microsoft Internet Explorer") && (parseInt(navigator.appVersion)>=4)) 
		{
			var url=" http://www.guardianes.com.co ";
			var titulo="Guardianes, Compañía Líder de Seguridad";
			window.external.AddFavorite(url,titulo);
		}
		else 
		{
			alert(navigator.appName);
			
			if(navigator.appName == "Netscape")
				alert (" Presiona Crtl+D para agregar esta web a tus Favoritos ");
		} 

	}

	function MM_swapImgRestore() 
	{ 
  		var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}

	function MM_preloadImages() 
	{ //v3.0
  		var d=document; 
  		if(d.images)
  		{ 
  			if(!d.MM_p) 
  				d.MM_p=new Array();
    			
    			var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
    			
    			for(i=0; i<a.length; i++)
    				if (a[i].indexOf("#")!=0)
    				{ 
    					d.MM_p[j]=new Image; 
    					d.MM_p[j++].src=a[i];
    				}
    		}
	}

	function MM_findObj(n, d) 
	{ //v4.01
  		var p,i,x;  
  		
  		if(!d) 
  			d=document; 
  		
  		if((p=n.indexOf("?"))>0&&parent.frames.length) 
  		{
    			d=parent.frames[n.substring(p+1)].document; 
    			n=n.substring(0,p);
    		}
  		if(!(x=d[n])&&d.all) 
  			x=d.all[n]; 
  			
  		for (i=0;!x&&i<d.forms.length;i++) 
  			x=d.forms[i][n];
  		
  		for(i=0;!x&&d.layers&&i<d.layers.length;i++) 
  			x=MM_findObj(n,d.layers[i].document);
  		
  		if(!x && d.getElementById) 
  			x=d.getElementById(n); 
  			
  		return x;
	}

	function MM_swapImage() 
	{ 
		//v3.0
  		var i,j=0,x,a=MM_swapImage.arguments; 
  		document.MM_sr=new Array; 
  		
  		for(i=0;i<(a.length-2);i+=3)
   			if ((x=MM_findObj(a[i]))!=null)
   			{
   				document.MM_sr[j++]=x; 
   				
   				if(!x.oSrc) 
   					x.oSrc=x.src; 
   				
   				x.src=a[i+2];
   			}
	}