addEvent(window, 'load',initSetAllWidth);

var browser = navigator.appName;
var versionInfo = navigator.appVersion;
var versionNum = parseFloat(versionInfo);
var vendor = navigator.vendor;
var IE = "Microsoft Internet Explorer";
var IE6 = "MSIE 6.0";
var IE7 = "MSIE 7.0";
var safari = "Apple Computer, Inc.";
var imagePath = "images/";
var classAttribute = classAttr();   //Get the appropriate class attribute to set. IE and Firefox use different attributes for class in the DOM.

function initSetAllWidth(){
	var nc = getElementsByClass('newsContent',null,null);	//Get elements with a class of "newsContent"
	
	if (nc.length > 0){		//If there is at least one element with a class "rollover"
		var ncWidth = nc[0].offsetWidth; //Get the width of one of the newsContent sections.
		var rightMargin = 20; //Set the value of the right margin
		
		var count = nc.length;
		var totalWidth = (ncWidth * count) + (rightMargin * count);
		
		//Set the width of the "allWidth" div
		$('allWidth').style.width = totalWidth + "px";
	}
	
}

/* Extracted from Prototype JS Library, http://prototype.conio.net/
 Written by Sam Stephenson, http://conio.net/ */
function $() {
  var elements = new Array();
  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string') element = (document.getElementById) ? document.getElementById(element) : eval("document.all."+element) ;
    if (arguments.length == 1) return element;
    elements.push(element);
  }
  return elements;
}

/* Function to grab all elements with a specific class name.
 Original written by Jonathan Snook, http://www.snook.ca/jonathan
 Add-ons by Robert Nyman, http://www.robertnyman.com 	
 Re-written by Zack Gilbert of Seen Creative, http://www.weareseencreative.com */
function getElementsByClass(className, elm, tag){
	if(elm == null) elm = document;
	if(tag == null) tag = '*';
	var elems = elm.getElementsByTagName(tag);
	var returnElems = new Array();
	className = className.replace(/\-/g, "\\-");
	var pattern = new RegExp("(^|\\s)" + className + "(\\s|$)");
	for(var i=0; i<elems.length; i++){
		if(pattern.test(elems[i].className)) returnElems.push(elems[i]);
	}
	return returnElems
}

/* Function to return the class attribute. IE and all other standards compliant browsers have different names for the class attribute object. */
function classAttr(){
	var class_att = null;
	if (browser == IE ){
		class_att = 'className';
	}
	else {
		class_att = 'class';
	}
	
	return class_att;
	
}

/* Functions to add/remove event listeners to objects
	Written by John Resig, http://ejohn.org */
function addEvent( obj, type, fn ) {
	if (obj.addEventListener) obj.addEventListener( type, fn, false );
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}