/* --------------------------------------------------------------------------------------------------------
AUTHOR:			Ryan Marincovich
Date Created:	2008.03.18
File Purpose:	Cuneo Advertising - Common Javascript File
-------------------------------------------------------------------------------------------------------- */


// MAIN NAVIGATION FUNCTIONS/DATA ------------------------------------------

// load nav images
if (document.images) {
	nav_company_on = new Image();
	nav_company_on.src = "/_images/nav/nav_company_on.gif";
	nav_company_off = new Image();
	nav_company_off.src = "/_images/nav/nav_company_off.gif";
	nav_company_roll = new Image();
	nav_company_roll.src = "/_images/nav/nav_company_roll.gif";
	nav_work_on = new Image();
	nav_work_on.src = "/_images/nav/nav_work_on.gif";
	nav_work_off = new Image();
	nav_work_off.src = "/_images/nav/nav_work_off.gif";
	nav_work_roll = new Image();
	nav_work_roll.src = "/_images/nav/nav_work_roll.gif";
}

// function to roll a nav button on
function navOn(which) {
	changeImages("nav_"+which,"nav_"+which+"_roll");
	return true;
}
// function to roll a nav button off
function navOff(which, state) {
	changeImages("nav_"+which,"nav_"+which+"_"+state);
	return true;
}

// UTILITY FUNCTIONS/DATA --------------------------------------------------

// sets cursor focus on the field given by param (formID.fieldID)
function formFocus(strFormAndFieldIDs) {
	if (isPageLoaded) {
		eval("document.forms." + strFormAndFieldIDs + ".focus();");
	} else {
		setTimeout("formFocus('" + strFormAndFieldIDs + "')", 100);
	}
}

// swap one or more images
function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			var argArray = arguments[i].split('.');
			var objName;
			if ((document.layers && argArray.length > 1) || argArray.length <= 1) {
				objName = eval("document." + arguments[i]);
			} else {
				objName = eval("document." + argArray[argArray.length - 1]);
			}
			objName.src = eval(changeImages.arguments[i+1] + ".src");
		}
	}
}

// dhtml layer variables for cross-browser compatability
if (document.layers) {	// Netscape 4
	doc = "document[";
	conDoc = "document";
	sty = "]";
	htm = ".document";
	cls = "].className";
} else if (document.getElementById) {	// NS 6 or IE 5 and up (W3C compliant browsers).
	doc = "document.getElementById(";
	conDoc = "document.getElementById(";
	sty = ").style";
	htm = ".document";
	cls = ").className";
} else if (document.all) {	// IE 4
	doc = "document.all[";
	conDoc = "document.all[";
	sty = "].style";
	htm = "";
	cls = "].className";
}