function getClassName(ele, exeptClassName) {
	var classes = ele.className.split(' ');
	var className = '';

	for (var i = 0; i < classes.length; i++) {
		if (exeptClassName != classes[i]) {
			className += (className.length > 0 ? ' ' : '') + classes[i];
		}
	}

	return className;
}

function formSwitchLabel(formEle, defaultValue) {
	var className = getClassName(formEle, 'default');

	if ('' == formEle.value) {
		formEle.value = defaultValue;
	}

	if (defaultValue == formEle.value) {
		className += ' default';
	}

	formEle.className = className;
}

function formEditElement(formEle, defaultValue) {
	formEle.className = getClassName(formEle, 'default');
	if (defaultValue == formEle.value) {
		formEle.value = '';
	}
}

function formClearDefaultValues(form) {
	var elems = form.getElementsByTagName('INPUT');
	for (var i = 0; i < elems.length; i++) {
		if (-1 != elems[i].className.indexOf('default')) {
			elems[i].value = '';
		}
	}

	var elems = form.getElementsByTagName('TEXTAREA');
	for (var i = 0; i < elems.length; i++) {
		if (-1 != elems[i].className.indexOf('default')) {
			elems[i].value = '';
		}
	}
}

function changeElementVisibility(eleId) {
	var ele = document.getElementById(eleId);
	if (ele) {
		ele.style.display = 'none' == ele.style.display
			? 'block'
			: 'none';
	}
}

function $(eleId) {
	return document.getElementById(eleId);
}


//var elemList = document.getElementById("service_navigation").getElementsByTagName('li');
//var elemList=document.getElementById('service_navigation');
//alert(elemList);
window.onload = function() {
	var elemList=document.getElementById('service_navigation').getElementsByTagName('li');
	elemList[2].style.display='none';
};