// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

function checkValidation(formInput) {

    if (typeof(formInput) != "object") {
        alert("Validation not supported on this browser.");
        return(false);
    }

    var message;
	var returnValue = false;

    if (stringEmpty(formInput.value)) {
        message = "Error! There is no input value entered.";
        alert(message);
    } else if (noAtSign( formInput.value )) {
        message = "Error! The address \"" + formInput.value + "\" does not contain an '@' character.";
        alert(message);
    } else if (nothingBeforeAt(formInput.value)) {
        message = "Error! The address \"" + formInput.value;
        message += "\" must contain at least one character before the '@' character";
        alert(message);
    } else if (noLeftBracket(formInput.value)) {
        message = "Error! The address \"" + formInput.value;
        message += "\" contains a right square bracket ']',\nbut no corresponding left square bracket '['.";
        alert(message);
    } else if (noRightBracket(formInput.value)) {
        message = "Error! The address \"" + formInput.value;
        message += "\" contains a left square bracket '[',\nbut no corresponding right square bracket ']'.";
        alert( message);
    } else if (noValidPeriod(formInput.value)) {
        message = "Error! The address \"" + formInput.value + "\" must contain a period ('.') character.";
        alert(message);
    } else if (noValidSuffix(formInput.value)) {
        message = "Error! The address \"" + formInput.value;
        message += "\" must contain a two, three or four character suffix.";
        alert(message);
    } else {
        //message = "Success! The email address \"" + formInput.value + "\" validates OK.";
        //alert(message);
		returnValue = true;
    }

    var objType = typeof(formInput.focus);
    if (objType == "object" || objType == "function") {
         formInput.focus();
    }

    return (returnValue);
}

function checkValid (formField) {
    if ( checkValidation ( formField ) == true ) {
        //alert ( 'E-Mail Address Validates OK' );
		formField.form.submit();
    }

    return ( false );
}

function stringEmpty (formField) {
    // CHECK THAT THE STRING IS NOT EMPTY
    if ( formField.length < 1 ) {
        return ( true );
    } else {
        return ( false );
    }
}

function noAtSign (formField) {
    // CHECK THAT THERE IS AN '@' CHARACTER IN THE STRING
    if (formField.indexOf ('@', 0) == -1) {
        return ( true )
    } else {
        return ( false );
    }
}

function nothingBeforeAt (formField) {
    // CHECK THERE IS AT LEAST ONE CHARACTER BEFORE THE '@' CHARACTER
    if ( formField.indexOf ( '@', 0 ) < 1 ) {
        return ( true )
    } else {
        return ( false );
    }
}

function noLeftBracket (formField) {
    // IF EMAIL ADDRESS IN FORM 'user@[255,255,255,0]', THEN CHECK FOR LEFT BRACKET
    if ( formField.indexOf ( '[', 0 ) == -1 && formField.charAt (formField.length - 1) == ']') {
        return ( true )
    } else {
        return ( false );
    }
}

function noRightBracket (formField) {
    // IF EMAIL ADDRESS IN FORM 'user@[255,255,255,0]', THEN CHECK FOR RIGHT BRACKET
    if (formField.indexOf ( '[', 0 ) > -1 && formField.charAt (formField.length - 1) != ']') {
        return ( true );
    } else {
        return ( false );
    }
}

function noValidPeriod (formField) {
    // IF EMAIL ADDRESS IN FORM 'user@[255,255,255,0]', THEN WE ARE NOT INTERESTED
    if (formField.indexOf ( '@', 0 ) > 1 && formField.charAt (formField.length - 1 ) == ']')
        return ( false );

    // CHECK THAT THERE IS AT LEAST ONE PERIOD IN THE STRING
    if (formField.indexOf ( '.', 0 ) == -1)
        return ( true );

    return ( false );
}

function noValidSuffix(formField) {
    // IF EMAIL ADDRESS IN FORM 'user@[255,255,255,0]', THEN WE ARE NOT INTERESTED
    if (formField.indexOf('@', 0) > 1 && formField.charAt(formField.length - 1) == ']') {
        return ( false );
    }

    // CHECK THAT THERE IS A TWO OR THREE CHARACTER SUFFIX AFTER THE LAST PERIOD
    var len = formField.length;
    var pos = formField.lastIndexOf ( '.', len - 1 ) + 1;
    if ( ( len - pos ) < 2 || ( len - pos ) > 4 ) {
        return ( true );
    } else {
        return ( false );
    }
}

/*********************************************************************/

/*********************************************************************
 * No onMouseOut event if the mouse pointer hovers a child element 
 * *** Please do not remove this header. ***
 * This code is working on my IE7, IE6, FireFox, Opera and Safari
 * 
 * Usage: 
 * <div onMouseOut="fixOnMouseOut(this, event, 'JavaScript Code');"> 
 *		So many childs 
 *	</div>
 *
 * @Author Hamid Alipour Codehead @ webmaster-forums.code-head.com		
**/
function is_child_of(parent, child) {
	if( child != null ) {			
		while( child.parentNode ) {
			if( (child = child.parentNode) == parent ) {
				return true;
			}
		}
	}
	return false;
}

function fixOnMouseOut(element, event, JavaScript_code) {
	var current_mouse_target = null;
	if( event.toElement ) {				
		current_mouse_target 			 = event.toElement;
	} else if( event.relatedTarget ) {				
		current_mouse_target 			 = event.relatedTarget;
	}
	if( !is_child_of(element, current_mouse_target) && element != current_mouse_target ) {
		eval(JavaScript_code);
	}
}