/*
#####################################################

This file gives added javascript functionality to
the site and the admin area.

WindowHelper function taken from Squid Fingers

FileName:   default.js
Author:		Scott Upton, UPTONIC
Version:    2004.06.30

#####################################################
*/


// ----------------------------------------------------------------------
// Global Utility Functions
// ----------------------------------------------------------------------

// Determine browser
var isMinIE5 = (navigator.appVersion.indexOf("5.")) >= 0 ? 1 : 0;
var isDOM = (document.getElementById) ? 1 : 0;


// ----------------------------------------------------------------------
// Hide/Show rows in admin interface
// ----------------------------------------------------------------------

// Set array for rows that can get hidden by Hide all/Show all
LayerArray = new Array()
LayerArray[0] = "csi_parent_pulldown"

// Hide all
function collapseAll() {
	for (var i = 0; i < LayerArray.length; i++) {
	document.getElementById(LayerArray[i]).style.display = 'none';
	}
}

// Show all
function revealAll() {
	for (var i = 0; i < LayerArray.length; i++) {
	document.getElementById(LayerArray[i]).style.display = '';
	}
}

// Toggle text view on and off
function toggle(objId) {
	if (isMinIE5||isDOM) {
		if (document.getElementById(LayerArray[objId]).style.display == 'none') {
			document.getElementById(LayerArray[objId]).style.display = '';
		} else {
			document.getElementById(LayerArray[objId]).style.display = 'none';
		}
	} else {
		return;
	}
}

// Toggle visibility of category pulldowns based on selected value
function changeSelect(select, other){
	var selectValue = select.options[select.selectedIndex].value;
	if(selectValue == "1") {
		revealAll();
	} else {
		collapseAll();
		other.selectedIndex = 0; // Reset other menu
	}
}

// Toggle visibility of category pulldowns based on selected value
function eraseSelect(select, other){
	var selectValue = select.options[select.selectedIndex].value;
	if(selectValue == "") {
		other.value = ""; // Reset other text field
	} else {
		return false;
	}
}

// Shortcut and other pulldown menu auto-activator
// Click-and-go!
function shortcutMenu(targ,selObj,restore) {
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if (restore) selObj.selectedIndex=0;
}



// ----------------------------------------------------------------------
// Change color of objects on the page
// ----------------------------------------------------------------------

// Alter color of text elements
function changeColor(objId,color) {
	if (isMinIE5||isDOM) {
		document.getElementById(objId).style.color=color;
	} else {
		return;
	}
}

// Alter background color of elements
function changeBgcolor(objId,color) {
	if (isMinIE5||isDOM) {
		document.getElementById(objId).style.backgroundColor=color;
	} else {
		return;
	}
}

// Alter font weight and/or decoration of a link
function changeLink(objId, weight, decor) {
	if (isMinIE5||isDOM) {
		document.getElementById(objId).style.fontWeight=weight;
		document.getElementById(objId).style.textDecoration=decor;
	} else {
		return;
	}
}



// ----------------------------------------------------------------------
// Verify text field content for searches
// ----------------------------------------------------------------------

// Check to see if search box has anything in it first
function validateSearchField(objId, selObj) {
	var searchField = document.getElementById(objId).value;
	var objRegExp  = /(^\d{5}$)/;
	
	// Perhaps no selection pulldown exists
	if(selObj == "") {
		var selectValue = "";
	} else {
		var selectValue = selObj.options[selObj.selectedIndex].value;
	}
    
    // Is search field blank?
    if (searchField == "" && selectValue !== "") {
    	alert("Please enter a search term.");
        document.getElementById(objId).focus();
        return false;
    }
    // Is search field a zip code or blank?
    else if(selectValue == "zip" || selectValue == "") {    	
    	// Check if 5-digit zip code has been entered
    	if(!objRegExp.test(searchField)) {
    		alert("Please enter a 5-digit zip code.");
    		document.getElementById(objId).focus();
    		return false;
    	}
	}
	// Otherwise do the search
	else {
        return true;
    }
}


// ----------------------------------------------------------------------
// Verify user review contents before submission
// ----------------------------------------------------------------------

// Check those fields
function validateReviewInfo() {    
    // Is the name field blank?
    if (document.getElementById('opinion[name]').value == "") {
    	alert("Please enter your name.");
        document.getElementById('opinion[name]').focus();
        return false;
    }
    // Is the city field blank?
    else if (document.getElementById('opinion[city]').value == "") {
    	alert("Please enter your city.");
        document.getElementById('opinion[city]').focus();
        return false;
    }
    // Is a state selected from the pulldown?   
    else if (document.getElementById('opinion[state]').value == "") {
    	alert("Please select your state from the menu.");
        document.getElementById('opinion[state]').focus();
        return false;
    }
    // Is a rating selected from the pulldown?   
    else if (document.getElementById('opinion[rating]').value == "") {
    	alert("Please choose a rating from the menu.");
        document.getElementById('opinion[rating]').focus();
        return false;
    }
    // Is there any text in the review?   
    else if (document.getElementById('opinion[text]').value == "") {
    	alert("Please type your review in the space provided.");
        document.getElementById('opinion[text]').focus();
        return false;
    }
	// Otherwise do the search
	else {
        return true;
    }
}


// ----------------------------------------------------------------------
// Verify contact form before submission
// ----------------------------------------------------------------------

// Check those fields
function validateContactInfo() {
	// Pattern for valid e-mail address
    var objRegExp  = /(^([_a-z0-9-]+)(\.[_a-z0-9-]+)*@([a-z0-9-]+)(\.[a-z0-9-]+)*(\.[a-z]{2,4})$)/;
    var emailField = document.getElementById('contact[email]').value;
    
    // Is the name field blank?
    if (document.getElementById('contact[name]').value == "") {
    	alert("Please enter your name.");
        document.getElementById('contact[name]').focus();
        return false;
    }
    // Is the email field blank?
    else if (document.getElementById('contact[email]').value == "") {
    	alert("Please supply an e-mail address.");
        document.getElementById('contact[email]').focus();
        return false;
    }
    // Check if the email is valid
    else if(!objRegExp.test(emailField)) {
		alert("Please enter a valid e-mail address.");
        document.getElementById('contact[email]').focus();
		return false;
	}
    // Is the subject field blank?
    else if (document.getElementById('contact[subject]').value == "") {
    	alert("Please give your message a subject.");
        document.getElementById('contact[subject]').focus();
        return false;
    }
    // Is there any text in the message?   
    else if (document.getElementById('contact[message]').value == "") {
    	alert("Please type your message in the space provided.");
        document.getElementById('contact[message]').focus();
        return false;
    }
	// Otherwise allow the form to be submitted
	else {
        return true;
    }
}