function validRequired(formField,Message) {
		var result = true;
		if (trim(formField.value) == "")
		{
			alert(Message);
			formField.focus();
			result = false;
		}
		return result;
	}
	
function signupValidate(theForm)
	{
		if (!validRequired(theForm.username,enterusername))
		return false;
		if (!validRequired(theForm.password,enterpassword))
		return false;
		return true;
	}
	
function CancelClick() {
		history.go(-1);
	}
	
function setFocus() {
		document.forms[0].username.focus();
	}


function trim(strText) { 
    // this will get rid of leading spaces 
    while (strText.substring(0,1) == ' ') 
        strText = strText.substring(1, strText.length);

    // this will get rid of trailing spaces 
    while (strText.substring(strText.length-1,strText.length) == ' ')
        strText = strText.substring(0, strText.length-1);

   return strText;
}