/* =======================================================================================
  Init function for all non IE<7 browsers.
*/
function REGinit()
{
  /* this copies the "hidden_menu_shadow1" div shadow into the "menu_shadow1" <ul> element.
     this *cheats* the w3c validator, since xhtml 1.0 doesn't allow for divs inside of <ul>'s */

  var obj1 = document.getElementById("servicesdd_shadow");
  var obj2 = document.getElementById("servicesdd");
  if(obj2){obj2.insertBefore(obj1.firstChild.cloneNode(true), obj2.firstChild);}


  /* Fixes div z-index positioning bug that seems to plague IE 7
     - For some reason IE 7 does not recognize that the div is specified as absolute
       when reading the CSS file, but fixes the problem when re-specified through javascript.
       Found the solution by tinkering with IE-7's DevToolBar ViewDOM module.
  */
  var obj = getElementsByClassName(document, "div", "shadow");
  for(i=0; i<obj.length; i++)
  {
    obj[i].style.position="absolute";
  }
}
/* =======================================================================================
  simple function to test for css enabled
*/
function checkForCSS()
{
  //easy way is to check the hidden logo, which is set to:
  //    display: none; in css
  //so if no css, then it will be set to block by default.
  var obj1=document.getElementById("hiddenlogo");
  if(obj1.currentStyle)
  {
    if(obj1.currentStyle.display=="none")
    {
      return true;
    }
    else
    {
      return false;
    }
  }
  else if(window.getComputedStyle)
  {
    if(window.getComputedStyle(obj1,"").display=="none")
    {
      return true;
    }
    else
    {
      return false;
    }
  }
}

/* =======================================================================================
*/
function changeImgSrc(ImgObj,srcString)
{
  ImgObj.src=srcString;
}


/* =======================================================================================
*/
function swapDivContent(source_divID,target_divID)
{
  //first, check if css has been loaded
  if(checkForCSS())
  {
    document.getElementById(target_divID).innerHTML=document.getElementById(source_divID).innerHTML;
  }
}

/* =======================================================================================
   nice little function from dhtmlkitchen.com
*/
function getStyle(el, style) {
   if(!document.getElementById) return;

     var value = el.style[toCamelCase(style)];

    if(!value)
        if(document.defaultView)
            value = document.defaultView.
                 getComputedStyle(el, "").getPropertyValue(style);

        else if(el.currentStyle)
            value = el.currentStyle[toCamelCase(style)];

     return value;
}

/* =======================================================================================
 * toCamelCase(input)
 * Converts string input to a camel cased version of itself.
 * For example:
 * toCamelCase("z-index"); // returns zIndex
 * toCamelCase("border-bottom-style"); // returns borderBottomStyle.
 */
function toCamelCase(s) {
	for(var exp = toCamelCase.exp;
		exp.test(s); s = s.replace(exp, RegExp.$1.toUpperCase()) );
	return s;
}
toCamelCase.exp = /-([a-z])/;

/*
  quirksmode.org browser detect
*/
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

/*
    Written by Jonathan Snook, http://www.snook.ca/jonathan
    Add-ons by Robert Nyman, http://www.robertnyman.com
*/
function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}