$(document).ready(function(){
	$("ul.nav li").click(function() {
		var hrefValue = $(this).children().attr("href");
		$(location).attr('href',hrefValue);
    });		
});

function clearText(field){
	if (field.defaultValue == field.value) {
		field.value = '';
		field.style.color = "#000";
	}
	else if (field.value == '') {
		field.value = field.defaultValue;
		field.style.color = "#A4A4A4";
	}
}