function changecon(obj,num)
{
	document.getElementById("pt1").className="";
	document.getElementById("pt2").className="";
	document.getElementById("pt3").className="";
	document.getElementById("pr1").style.display="none";
	document.getElementById("pr2").style.display="none";
	document.getElementById("pr3").style.display="none";
	document.getElementById("pr"+num).style.display="";
	obj.className="spante";
}

function product_con_pic(picurl)
{
	document.getElementById("daimgcon").src = picurl;
}

function showsubmenu(sid)
{
whichEl = eval("submenu" + sid);
if (whichEl.style.display == "none")
{
eval("submenu" + sid + ".style.display=\"\";");
}
else
{
eval("submenu" + sid + ".style.display=\"none\";");
}
}


function validate()
{
	var obj = document.getElementById('user_realname');
	if(obj.value==''){
		alert("You did not complete all of the required fields or input data is incorrect.");
		obj.focus();
		return false;
	}

	var obj = document.getElementById('user_email');
	if(obj.value==''){
		alert("You did not complete all of the required fields or input data is incorrect.");
		obj.focus();
		return false;
	}
	var obj = document.getElementById('user_contents');
	if(obj.value==''){
		alert("You did not complete all of the required fields or input data is incorrect.");
		obj.focus();
		return false;
	}
	 var obj = document.getElementById('title');
	if(obj.value==''){
		alert("You did not complete all of the required fields or input data is incorrect.");
		obj.focus();
		return false;
	}
}




/*  用户登陆 */	

	function CheckForm()
	{
		if(document.UserLogin.username.value=="")
		{
			alert("请输入用户名");
			document.UserLogin.username.focus();
			return false;
		}
		if(document.UserLogin.password.value == "")
		{
			alert("请输入密码");
			document.UserLogin.password.focus();
			return false;
		}
	}

/*  =====================================================================会员注册 */	
	function CheckuregForm()
	{
		if(document.myform.UserName.value=="")
		{
			alert("对不起,用户名必须填写.");
			document.myform.UserName.focus();
			return false;
		}
		if(document.myform.PassWord.value == "")
		{
			alert("对不起,密码必须填写");
			document.myform.PassWord.focus();
			return false;
		}
		if(document.myform.RePassWord.value == "")
		{
			alert("对不起,请再次输入密码");
			document.myform.RePassWord.focus();
			return false;
		}

	}


/*  =====================================================================会员资料修改 */	
	function CheckumodForm()
	{
		if(document.frm.Email.value=="")
		{
			alert("对不起,邮局必须填写.");
			document.frm.Email.focus();
			return false;
		}
		if(document.frm.RealName.value == "")
		{
			alert("对不起,用户名必须填写");
			document.frm.RealName.focus();
			return false;
		}
		if(document.frm.userphone.value == "")
		{
			alert("对不起,电话必须填写");
			document.frm.userphone.focus();
			return false;
		}
		if(document.frm.userzip.value == "")
		{
			alert("对不起,邮编必须填写");
			document.frm.userzip.focus();
			return false;
		}
		if(document.frm.selstate.value == "")
		{
			alert("对不起,省份必须选择");
			document.frm.selstate.focus();
			return false;
		}

		if(document.frm.useraddress.value == "")
		{
			alert("对不起,地址必须填写");
			document.frm.useraddress.focus();
			return false;
		}

	}


function check_add_zcj(form){
u_name=myform.pid.value;
action=myform.action.value;
myurl=location.protocol+"//"+location.hostname+"/sc.php?pid="+u_name+"&action="+action;
checkm.location.href=myurl;
return;
}

	function Checkpayform()
	{
		if(document.ff.loginemail.value=="")
		{
			alert("Sorry,E-mail address information is required.");
			document.ff.loginemail.focus();
			return false;
		}
		if(document.ff.orderno.value == "")
		{
			alert("Sorry,Order No information is required.");
			document.ff.orderno.focus();
			return false;
		}
		if(document.ff.reference.value == "")
		{
			alert("Sorry,MTCN No or Reference No information is required.");
			document.ff.reference.focus();
			return false;
		}
		if(document.ff.firstname.value == "")
		{
			alert("Sorry,Firstname information is required.");
			document.ff.firstname.focus();
			return false;
		}
		if(document.ff.lastname.value == "")
		{
			alert("Sorry,Lastname information is required.");
			document.ff.lastname.focus();
			return false;
		}
		if(document.ff.Country.value == "")
		{
			alert("Sorry,Country information is required.");
			document.ff.Country.focus();
			return false;
		}
	}

	function Checkfeedform(aa)
	{
		if(document.myform.title.value=="")
		{
			alert("请输入留言主题");
			document.myform.title.focus();
			return false;
		}
		if(document.myform.name.value == "")
		{
			alert("请留下您的大名");
			document.myform.name.focus();
			return false;
		}
		if(document.myform.tel.value == "")
		{
			alert("请留下您的联系电话");
			document.myform.tel.focus();
			return false;
		}
		if(document.myform.content.value == "")
		{
			alert("内容不能为空");
			document.myform.content.focus();
			return false;
		}	
}


/*  =====================================================================会员注册 */	
	function Checkinfoadd()
	{
		if(document.myform.title.value=="")
		{
			alert("对不起,请输入信息标题.");
			document.myform.title.focus();
			return false;
		}

		if(document.myform.x_compang_name.value == "")
		{
			alert("对不起,请输入公司名称");
			document.myform.x_compang_name.focus();
			return false;
		}
		if(document.myform.x_company_add.value == "")
		{
			alert("对不起,请输入公司地址");
			document.myform.x_company_add.focus();
			return false;
		}
		if(document.myform.x_photo.value == "")
		{
			alert("对不起,请输入联系电话");
			document.myform.x_photo.focus();
			return false;
		}
		if(document.myform.x_lianxi.value == "")
		{
			alert("对不起,请输入联系人");
			document.myform.x_lianxi.focus();
			return false;
		}


	}

	function checkinput() { 

	if(document.myform.oldpassword.value=='' || document.myform.newpassword.value=='' || document.myform.newpassword2.value==''){
		alert("请输入密码");
		document.myform.oldpassword.focus();
		return false;
	}
	if(document.myform.newpassword.value != document.myform.newpassword2.value){
		alert("请确定新密码输入是否正确");
		document.myform.newpassword.focus();
		return false;
	}
	return true;
}

	function CheckzhaoForm()
	{
		if(document.myform.username.value=="")
		{
			alert("请输入用户名");
			document.myform.username.focus();
			return false;
		}
		if(document.myform.useremail.value == "")
		{
			alert("请输入注册时输入的邮箱！");
			document.myform.useremail.focus();
			return false;
		}
	}