function EvaluaReg( formEval )
{
	var fields = $( formEval ).find( ".mandatory" ).get();

	for( var i = 0 ; i < fields.length ; i++ )
	{
		if( $( fields[i] ).val() == "" )
		{
		alert( "El campo " + $( fields[i] ).attr( "title" ) + " se encuentra vacio y es obligario" );
		$( fields[i] ).focus();
		return false;
		
		}
		
		if ($(fields[i]).hasClass("valmail")) 
		{
		var expresion = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
		if (!expresion.test($(fields[i]).val()))
			{
			alert("El campo " + $(fields[i]).attr("title") + " no es un mail valido");
			$(fields[i]).focus();
			return false;
			}
		}
	}
return true;
}

function number_format(num)
{
	var tmpnum = [], cont = 1;
	num = "" + num.replace( /[^\d\.]/gi , '' );

	for(var i = (num.length -1 ); i >= 0 ; i--)
	{
		tmpnum[tmpnum.length] = num.charAt(i);
		cont++;
		if(cont == 4 && i != 0)
		{
			cont = 1;
			tmpnum[tmpnum.length] = ",";
		}
	}//end for
	tmpnum.reverse();
	return tmpnum.join("");
}