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_swapImgRestore() { //v3.0
  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_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];}
}


//LLamada: VentanaCentradaParametros("contacto_aviso_legal.cfm", {width:820,height:50,scrollbars:0}, "AVISO_LEGAL");
	function VentanaCentradaParametros(URL)
	{
	  
	  var opciones = arguments[1] || {};
	  var titulo = arguments[2] || 'VENTANA_CENTRADA';
	   
	  var width = opciones.width || 500;
	  var height = opciones.height || 400;
	  var toolbar = opciones.toolbar || 0;
	  var location = opciones.location || 0;
	  var directories = opciones.directories || 0;
	  var status = opciones.status || 0;
	  var menubar = opciones.menubar || 0;
	  var scrollbars = opciones.scrollbars || 0;
	  var resizable = opciones.resizable || 0;
	  var copyhistory = opciones.copyhistory || 1;
	
			 
	  var left = (screen.width/2) - width/2;
	  var top = (screen.height/2) - height/2;
	 
	  
	  var styleStr = 'toolbar='+toolbar+',location='+location+',directories='+directories+',status='+status+',menubar='+menubar+',scrollbars='+scrollbars+',resizable='+resizable+',copyhistory='+copyhistory+',width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top;  
	  var msgWindow = window.open(URL, titulo, styleStr); 
	   msgWindow.focus();		
	}