function validateDate(field) {
	var darr = field.value.split('/');
	if(darr.length != 3) {
		field.value = '';
		return false;
	}
	if(darr[2].length<4) darr[2] = '20' + String(darr[2]);
	var date_test = new Date(darr[2], darr[1], darr[0]);
//	alert( date_test.getMonth() + "\n" + date_test.getDate() + "\n" + date_test.getYear() );
	if( date_test.getMonth() != darr[1] 
		|| date_test.getDate() != darr[0] 
		|| ( date_test.getYear() != darr[2] && date_test.getFullYear() != darr[2] )
	) {
		field.value = '';
		return false;
	}
	else {
		field.value = JQ.datepicker.formatDate('dd/mm/yy', new Date(darr[2], darr[1] - 1, darr[0]));
		return true;
	}
}

function setCookie(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 getCookie(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 deleteCookie(name) {
	setCookie(name,"",-1);
}