// external.js

loginOff = new Image
loginOver = new Image

loginOff.src = "images/login_off.gif"
loginOver.src = "images/login_over.gif"

// mouse over
function imgOver(thisImg) {
	document[thisImg].src = "images/" + thisImg + "_over.gif"
}

// mouse out
function imgOut(thisImg) {
	document[thisImg].src = "images/" + thisImg + "_off.gif"
}

function subForm() {
	if (validForm(document.loginForm)) {
		document.loginForm.submit()
	}	
}
function validForm(passForm) {
	if (passForm.loginUsername.value == "") {
		alert("Please enter user name")
		//alert("Under construction.. Please try later !!")
		passForm.loginUsername.focus()
		return false
	}
		
	if (loginForm.loginPassword.value == "") {
		alert("please enter password")
		//alert("Under construction.. Please try later !!")
		loginForm.loginPassword.focus()
		return false	
	}
	return true
}