function checkLogin()
{
uid = document.all.sUsername.value;
pwd = document.all.sPassword.value;

if(uid =='')
	{
	alert("please enter your username.")
	document.all.sUsername.focus()
	}
else
	{
	if(pwd == '')
		{
		alert("please enter your password.")
		document.all.sPassword.focus()		
		}
		else
			{
			window.location.href='checkuser.asp?uid='+uid+'&pwd='+pwd
			}
	}

}

function checkLoginCase()
{
uid = document.all.sUsername.value;
pwd = document.all.sPassword.value;

if(uid == '')
	{
	alert("please enter your username.")
	document.all.sUsername.focus()
	}
else
	{
	if(pwd == '')
		{
		alert("please enter your password.")
		document.all.sPassword.focus()		
		}
		else
			{
			window.location.href='checkuser.asp?case=1&uid='+uid+'&pwd='+pwd
			}
	}

}

function checkFormLogin()
{
if(document.forms['login'].username.value=='')
	{
	alert("Fill in your username")
	document.forms['login'].username.focus()
	}
	else
		{
		if(document.forms['login'].password.value=='')
			{
			alert("Fill in your password")
			document.forms['login'].password.focus()
			}
			else
				{
				if(document.forms['login'].site.value=='')
					{
					alert("Fill in your sitename")
					document.forms['login'].site.focus()
					}
					else
						{
						openWin()
						document.forms['login'].target='popwin';
						document.forms['login'].submit()
						}
				}
		}
}
function openPreview(file,name)
{
window.open(file, name, 'menubar=0,location=0,toolbar=0,scrollbars=1,resizable=1,status=0,width=750,height=500,top=0,left=0')
}
function openWin()
{
window.open('about:blank', 'popwin', 'menubar=0,location=0,toolbar=1,scrollbars=1,resizable=1,status=1,width=750,height=500,top=0,left=0')
}

function microsoftKeyPress()
{
if(window.event.keyCode == '13')
	{
	if(document.all.sUsername.value!='')
		{
		
		checkLoginCase()
		
		}
	else
		{
		checkForm()
		}
	}
}