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_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];}
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
   if ((obj=MM_findObj(args[i]))!=null)
    {
	 v=args[i+2];
     if (obj.style)
	 {
      obj=obj.style;
	  v=(v=='show')?'visible':(v=='hide')?'hidden':v;
	 }
     obj.visibility=v;
    }
 }


String.prototype.fulltrim = function() {

	return this.replace(/(?:(?:^|\n)\s+|\s+(?:$|\n))/g,"").replace(/\s+/g," ");

}



function isblank(s)
{
 if (s == null) return true;
 else{
    for(var i = 0; i < s.length; i++) {
        var c = s.charAt(i);
        if ((c != ' ') && (c != '\n') && (c != '\t')) return false;
        }
    return true;
	}
}



function digitoVerificador(rut)
{
	
	var count=0;
	var count2=0;
	var factor=2;
	var suma=0;
	var sum=0;
	var digito=0;
	count2=rut.length - 1;
	
	while(count < rut.length)
	{
		sum = factor * (parseInt(rut.substr(count2,1))); 
		suma = suma + sum;
		sum=0;
		
		count = count + 1;
		count2 = count2 - 1;
		factor = factor + 1;
		
		if(factor > 7)
			{
			factor=2; 
			} 
	}
	
	digito= 11 - (suma % 11)
	
	if(digito==11)
		{
		digito=0;
		}
	
	if(digito==10)
		{
		digito="k";
		}
	
	return digito;
}