// JavaScript Document
// Common Validation Functions

// Function Returns True if the String has a value
// Other Wise Returns False
function BlankField( stringValue ){
	if( stringValue.replace(/(^\s+)|(\s+$)/g, '').length < 1 )
		return true;
	else
		return false;
}

// Uses Regular Expressions to check for a valid E-mail Address
// If valid returns true
// Other Wise it returns false
function ValidEmail(strValue){
    var valid = true;
    var regExp = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
    var regExp2 = /(\s+)|(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/;

    if ( (strValue.search(regExp)) == -1 || strValue.search(regExp2) != -1)
            valid = false;

    return valid;
}

function Validate( form ){
	var returnValue = false;
	if ( BlankField( form.UserName.value ) ) {
		alert ( "Please enter a username." );
		form.UserName.value = "";
		form.UserName.focus();
	}else if ( BlankField( form.Password.value ) ) {
		alert ( "Please enter a password." );
		form.Password.value = "";
		form.Password.focus();
	}else{
		returnValue = true;
	}	
	return returnValue;
}