// JavaScript Document

function pulsa_enter(evt){
	var nav4 = window.event ? true : false;
	var key = (nav4 ? evt.keyCode : evt.which);
	return (key == 13);
}

function ValidaEmail(valor) {
    if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valor))
    	return true;
  	else 
    	return false;
}



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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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];}
}

function checkIt(string){
	var detect = navigator.userAgent.toLowerCase();
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
	}
	
function resizeContentFrame() {
	if (checkIt('opera')){
		document.getElementById("contentFrame").height = document.getElementById("contentFrame").document.body.scrollHeight;
 		}
 	document.getElementById("contentFrame").height = document.getElementById("contentFrame").contentWindow.document.body.scrollHeight;
	}

function isDate(obj) {
 	var date_regex = /^\d{1,2}\/\d{1,2}\/\d{4}$/;
	if (!date_regex.test(obj)) {
	  	return 1;
	} else {
		var f, d, m, a;
		f = obj.split('/');
		d = f[0];
		m = f[1];
		a = f[2];
		if (m > 12 || m < 1) {	
			return 1;
		}
		if (d < 1) {
			return 1;
		}
		switch (m) {
			case '01': if (d>31) {return 1}; break;
			case '02': if ((a%4==0 && a%100!=0) || (a%400==0)) {
					if (d>29) {return 1};
				} else {
					if (d>28) {return 1};
				};
				break;
			case '03': if (d>31) {return 1}; break;
			case '05': if (d>31) {return 1}; break;
			case '07': if (d>31) {return 1}; break;
			case '08': if (d>31) {return 1}; break;
			case '10': if (d>31) {return 1}; break;
			case '12': if (d>31) {return 1}; break;
			default: if (d>30) {return 1};
		}
	return 0;
	}
}


function addBookmark()
{
  if (window.external)
    external.AddFavorite("http://www.pp.es", "www.pp.es")
  else
	alert("Su navegador no soporta esta caracteristica");
}