function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function eraseCookie(name) {
	createCookie(name,"",-1);
}
function controlInput(value,event){
	var tecla = '';
	if(document.all){
		tecla = event.keyCode;
	}else{
		tecla = event.which;
	}
	switch(value.name){
		case 'numeric':
		case 'p':
		case 'quantity':
		case 'telefono':
		case 'plazas':
			if (tecla < 48 || tecla > 57 || event.ctrlKey)
				return false;
			break;
		default:
			if(tecla == 64)
				return true;
			else
				if (tecla == 36 || tecla == 38 || tecla == 39 || tecla == 60 || tecla == 62 || event.ctrlKey)
					return false;
				else
					return true;
			break;
	}
}
function controlTexto(value){
	value.value = value.value.replace(/[<>$]/gi,' ');
	value.value = value.value.replace('  ',' ');
}