var mailIndex

function ShowClassName(str)
{
	PClassName.innerHTML = str;
}

function CheckfrmContact()
{	
	if(frmRegister.yourname.value=="")
	{
		alert("Your name is required.");
		return;
	}
	if(frmRegister.companyName.value=="")
	{
		alert("Company Name is required.");
		return;
	}
	
	if(frmRegister.tel.value=="")
	{
		alert("Telephone is required.");
		return;
	}
	if(frmRegister.email.value=="")
	{
		alert("E-mail address is required.");
		return;
	}
	
	frmRegister.submit();
}


var selectMenu;

function OpenMemu(obj,i,j,type)
{	
	var menu;
	for (var w=1;w<=j;w++)
	{
		if ( w != i )
		{
		   menu=type + w;
		   document.getElementById(menu).style.display="none";
		}
	}
	menu=type + i;
	
	menu=document.getElementById(menu);
	
	if(selectMenu==null)
	{
		selectMenu = obj;
		menu.style.display = "block";
		return;
	}
	
	if (selectMenu == obj)
	{
		if (menu.style.display == "none")
	    {
		    menu.style.display = "block";
	    }
	    else
	    {			
		    menu.style.display = "none";
	    }
	}
	else
	{
		selectMenu = obj;		
		menu.style.display = "block";
	}	
}

function closeMenu(j)
{
	var menu;
	for (var w=1;w<=j;w++)
	{
		menu="menu"+w;
		document.getElementById(menu).style.display="none";
	}	
}

function UpdatePassword()
{
	if (frmChangePassword.txtOldPassword.value =="")
	{
		alert("Old Password is required.");
		return;
	}
	if (frmChangePassword.txtNewPassword.value =="")
	{
		alert("New Password is required.");
		return;
	}
	
	if (frmChangePassword.txtConfirmPassword.value != frmChangePassword.txtNewPassword.value)
	{
		alert("Confirm Password is required.");
		return;
	}
	
	frmChangePassword.submit();
	
}

function CheckLogin()
{
	if(frmLogin.txtUsername.value=="")
	{
		alert("User Name is required.");
		return;
	}
	if(frmLogin.txtPassword.value=="")
	{
		alert("Password is required.");
		return;
	}
	frmLogin.submit()
}

function Check(id)
{	
    if (event.keyCode==13)
	   {
            var str=new String(id)
            var patrn=/^[-\+]?\d+$/;
        	
			if(str!="")
        	{
        		if(!patrn.test(str))
        		{
        			alert("please make sure your input is accurate!");
					return;
		        }  				
        	}
			else
			{
				alert("please input the quantity you want.");
				return;
			}
	        frmProd.submit();
	   }
 }
 
function CheckBybtn(value)
{
	var str=new String(value)
    var patrn=/^[-\+]?\d+$/;
    if(str!="")
    {
    	if(!patrn.test(str))
        {
        	alert("please make sure your input is accurate!");
			return;
		}
    }
	else
	{
		alert("please input the quantity you want.");
	    return;
	}
	frmProd.submit();
}

//在购物车中修改购物的个数,验证必须是数字

function IsNumeber(obj)
{
	var str = new String(obj.value);
	var patrn=/^[-\+]?\d+$/;
	if (str != "")
	{
		if(!patrn.test(str))
        {
        	alert("please make sure your input is accurate!");	
			obj.focus();			
		}
	}
}



function UpdateCart(obj)
{
	obj.form.action = "UpdateCard.asp"	
	
	obj.form.submit();
}

function PayCart(obj)
{
	obj.form.action = "PayCart.asp";
	
	obj.form.submit();
}