// common.js Common Javascript functions - copyright Nate Cavanaugh.

/*
Toggle Display Function
*/
function toggleDisplay(id) {
  if (document.getElementById) {
    var e = $(id);
    if (e) {
      if (e.style.display !== "") e.style.display = ""
      else e.style.display = "none"
    }  
  }
}
/*
Toggle Classname Function
*/
function toggleClassName(id, class1, class2) {
  if (document.getElementById) {
    var e = $(id);
    if (e) {
      if (e.className !== class1) e.className = class1
      else e.className = class2
    }  
  }
}
/*
Adds the type of the input to the className.
*/
function appendInputTypeClasses() {
	if ( !document.getElementsByTagName )
	return;
var inputs = document.getElementsByTagName('input');
var inputLen = inputs.length;
	for ( i=0;i<inputLen;i++ ) {
		if ( inputs[i].getAttribute('type') )
		inputs[i].className += ' '+inputs[i].getAttribute('type');
	}
}
/*
Typical addEvent function
*/
function addEvent( obj, type, fn ) {
	if(obj){
		if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	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] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
		}
	
}
function removeEvent(obj, evType, fn, useCapture){
  if (obj.removeEventListener){
    obj.removeEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.detachEvent){
    var r = obj.detachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Handler could not be removed");
  }
}	
var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();
addEvent(window,'unload',EventCache.flush);
/*
Extends DOM core functionality by getting an array of Elements by className
*/
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}
/*
Extends DOM core functionality by inserting after a node
*/
function insertAfter(parent, node, referenceNode) {
	parent.insertBefore(node, referenceNode.nextSibling);
}
Array.prototype.inArray = function (value) {
	var i;
	for (i=0; i < this.length; i++) {
		if (this[i] === value) {
			return true;
		}
	}
	return false;
};
/*
Cookie functions. Get, Set, and Delete
*/
function getCookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}
	
function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+"="+escape( value ) +
		( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}
	
function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
/*
domEl() - easy Javascript manipulation
*/
var domEl = function(e,c,a,p,x) {
if(e||c) {
	c=(typeof c=='string'||(typeof c=='object'&&!c.length))?[c]:c;	
	e=(!e&&c.length==1)?document.createTextNode(c[0]):e;	
	var n = (typeof e=='string')?document.createElement(e) : !(e&&e===c[0])?e.cloneNode(false):e.cloneNode(true);	
	if(e.nodeType!=3) {
		c[0]===e?c[0]='':'';
		for(var i=0,j=c.length;i<j;i++) typeof c[i]=='string'? ((c[i] =='') ? '': n.appendChild(document.createTextNode(c[i]))):n.appendChild(c[i].cloneNode(true));
		if(a) {
			for (var i in a) i=='class'?n.className=a[i]:(i == 'style')?n.style.cssText=a[i]:n.setAttribute(i,a[i]);}
	}
}
	if(!p)return n;
	p=(typeof p=='object'&&!p.length)?[p]:p;
	for(var i=(p.length-1);i>=0;i--) {
		if(x){while(p[i].firstChild)p[i].removeChild(p[i].firstChild);
			if(!e&&!c&&p[i].parentNode)p[i].parentNode.removeChild(p[i]);}
		if(n){
			if(!document.all){
				p[i].appendChild(n.cloneNode(true));
				} else {
				if(n.canHaveChildren){
					p[i].appendChild(n.cloneNode(true));
				} else if(p[i].canHaveChildren) {
				p[i].appendChild(n.cloneNode(false));			
				} else {
					p[i].parentNode.appendChild(n);
					}
				}
			} 
	}	
}
/* 
Derived from a script by Alejandro Gervasio. 
Modified to work in FireFox by Stefan Mischook for Killersites.com

How it works: just apply the CSS class of 'column' to your pages' main columns.
*/
matchColumns=function(){ 
if(!document.getElementsByTagName){
	return;
	}
     var divs,contDivs,maxHeight,divHeight,d; 
	
     // get all <div> elements in the document 

     divs=document.getElementsByTagName('div'); 

     contDivs=[]; 

     // initialize maximum height value 

     maxHeight=0; 

     // iterate over all <div> elements in the document 

     for(var i=0;i<divs.length;i++){ 

          // make collection with <div> elements with class attribute 'container' 

          if(/\bcolumn\b/.test(divs[i].className)){ 

                d=divs[i]; 

                contDivs[contDivs.length]=d; 

                // determine height for <div> element 

                if(d.offsetHeight){ 

                     divHeight=d.offsetHeight; 					

                } 

                else if(d.style.pixelHeight){ 

                     divHeight=d.style.pixelHeight;					 

                } 

                // calculate maximum height 

                maxHeight=Math.max(maxHeight,divHeight); 

          } 

     } 

     // assign maximum height value to all of container <div> elements 

     for(var i=0;i<contDivs.length;i++){ 

          contDivs[i].style.height=maxHeight + "px"; 

     } 

} 
function checkIt(string)
{
	var detect = navigator.userAgent.toLowerCase();
	var place = detect.indexOf(string) + 1;
	var thestring = string;
	return place;
}