function ValidarMail(emailStr){
	    var checkTLD=1;
		var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
		var emailPat=/^(.+)@(.+)$/;
	    var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
		var validChars="\[^\\s" + specialChars + "\]";
		var quotedUser="(\"[^\"]*\")";
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
		var atom=validChars + '+';
		var word="(" + atom + "|" + quotedUser + ")";
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
		var matchArray=emailStr.match(emailPat);
		
		if (matchArray==null) {
			return false;
		}
		
		var user=matchArray[1];
		var domain=matchArray[2];
		for (i=0; i<user.length; i++) {
			if (user.charCodeAt(i)>127) {
				return false;
			}
		}	

		for (i=0; i<domain.length; i++) {
			if (domain.charCodeAt(i)>127) {
				return false;
			}
		}

		if (user.match(userPat)==null) {
		    return false;
		}
		
		var IPArray=domain.match(ipDomainPat);

		if (IPArray!=null) {
			for (var i=1;i<=4;i++) {
				if (IPArray[i]>255) {
					return false;
				}
			}
			return true;
		}

		var atomPat=new RegExp("^" + atom + "$");
		var domArr=domain.split(".");
		var len=domArr.length;
		for (i=0;i<len;i++) {
			if (domArr[i].search(atomPat)==-1) {
				return false;
			}
		}

		if (checkTLD && domArr[domArr.length-1].length!=2 && 
			domArr[domArr.length-1].search(knownDomsPat)==-1) {
			return false;
		}

		if (len<2) {
			return false;
		}
		return true;
	}
	
	function RestaurarEstilos(elemento){
		document.getElementById(elemento).style.background = "#FFF";
		document.getElementById(elemento).style.color = "#000";	
	}
	
	function EstiloError(elemento){
		document.getElementById(elemento).style.background = "red";
		document.getElementById(elemento).style.color = "#FFF";	
	}
	
	function ValidarFormulario(){
		var nombre = document.getElementById('nombre').value;
		var email = document.getElementById('email').value;		
		var error = false;
	
		// NOMBRE
		if(nombre == ''){
			EstiloError('nombre');
			error = true;
		}else{
			RestaurarEstilos('nombre');
		}
		// EMAIL
		if(email.length == 0 || !ValidarMail(email)){
			EstiloError('email');
			error = true;
		}else{
			RestaurarEstilos('email');		
		}
		
		// Comprobacion final de errores
		if(!error){		
			return true;		
		}else{
			return false;
		}
	}