<!--
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];}
}

sortitems = 1; 
 
function move(fbox,tbox) {
for(var i=0; i<fbox.options.length; i++) {
if(fbox.options[i].selected && fbox.options[i].value != "") {
var no = new Option();
no.value = fbox.options[i].value;
no.text = fbox.options[i].text;
tbox.options[tbox.options.length] = no;
fbox.options[i].value = "";
fbox.options[i].text = "";
   }
}
BumpUp(fbox);
if (sortitems) SortD(tbox);
}
function BumpUp(box)  {
for(var i=0; i<box.options.length; i++) {
if(box.options[i].value == "")  {
for(var j=i; j<box.options.length-1; j++)  {
box.options[j].value = box.options[j+1].value;
box.options[j].text = box.options[j+1].text;
}
var ln = i;
break;
   }
}
if(ln < box.options.length)  {
box.options.length -= 1;
BumpUp(box);
   }
}
 
function SortD(box)  {
var temp_opts = new Array();
var temp = new Object();
for(var i=0; i<box.options.length; i++)  {
temp_opts[i] = box.options[i];
}
for(var x=0; x<temp_opts.length-1; x++)  {
for(var y=(x+1); y<temp_opts.length; y++)  {
if(temp_opts[x].text > temp_opts[y].text)  {
temp = temp_opts[x].text;
temp_opts[x].text = temp_opts[y].text;
temp_opts[y].text = temp;
temp = temp_opts[x].value;
temp_opts[x].value = temp_opts[y].value;
temp_opts[y].value = temp;
      }
   }
}
for(var i=0; i<box.options.length; i++)  {
box.options[i].value = temp_opts[i].value;
box.options[i].text = temp_opts[i].text;
   }
}

function convertir_a_array (control) {
	for ($i=0; $i<control.length; $i++){
		control[$i].selected=1;
	}
	control.name =  control.name + "[]" ; 
}

var tecla;
function capturaTecla(e){
	if(document.all)
		tecla=event.keyCode;
	else
		tecla=e.which; 
	if(tecla==13)
		enviar();
}

function checkNum()
{
	var key = String.fromCharCode(event.keyCode) ;
	if ( (isNaN(key)) || (key==' ') ) {return false ;} else { return true ;}
}

function checkDec(cont) {
	var key = String.fromCharCode(event.keyCode) ;
	if (cont.value.indexOf(".") == -1){
	  if (key == ".")
		return true;
	}
	if ( (isNaN(key)) || (key==' ') ) 
	  return false;
	else
	  return true;
}

//-->