/*********************************************************************************
 Global variables
*********************************************************************************/
//Default browsercheck
function browsercheck(){
    this.ver=navigator.appVersion
    this.agent=navigator.userAgent
    this.dom=document.getElementById?1:0;
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
    this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0;
    this.ie4=(document.all && !this.dom)?1:0;
    this.ie=this.ie4||this.ie5||this.ie6
    this.mac=this.agent.indexOf("Mac")>-1
    this.opera5=this.agent.indexOf("Opera 5")>-1
    this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0;
    this.ns4=(document.layers && !this.dom)?1:0;
    this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5 || this.dom)
    //this.bw=document.getElementById?1:0;
    return this
}
var bw=browsercheck();

window.name = "MainWin";

var PageImages = new Array();
var PageAltImages = new Array();
var nest = "";
var loaded = 0;


/*********************************************************************************
Images Preload
*********************************************************************************/

//Kevin suggests rewritting to use ~getElemntByType, or something along those lines
//Re-write for -on and -off??
function LoadActiveImages() {
	var num = document.images.length;
	for (var i = 0; i < num; i++) {
		var thisImage = document.images[i];
		var thisImageSrc = thisImage.src;
		var imageName = thisImageSrc.substring(0,thisImageSrc.lastIndexOf("_o"));
		//document.write(imageName + "<BR>");
		if (thisImageSrc.lastIndexOf("_off") != -1) {
			PageImages[i] = new Image(thisImage.width, thisImage.height);
      	    PageImages[i].src = imageName + "_on.gif";
		} else if (thisImage.src.lastIndexOf("_on") != -1) {
			PageAltImages[i] = new Image(thisImage.width, thisImage.height);
      	    PageAltImages[i].src = imageName + "_off.gif";
		}
    }
}

window.onload = LoadActiveImages;
	
/*********************************************************************************
Image Swap
*********************************************************************************/
function imageSwap(which, state) {
     	
	//which - required input of image name
	//state - required input of image rollover state (1 for on, 0 for off)
	//div1,div2,... - optional input layer hierarchy for Netscape 4.0 browsers
	var divNest=''
	var argLength = arguments.length
	
	//loop over the arguments, to check for any passed div id's, and set the nesting
	//used for NN4 only
	if (argLength>2) {
		for (var i = 2; i < argLength; i++)  
		divNest=divNest+'document.'+arguments[i]+'.';
	}
	
	//get the element obj reference
 bw.dom?thisImage=document.getElementById(which):bw.ie4?document.all[which]:thisImage=eval(divNest+"document[which]");
	
	//find the image src name
	if (thisImage.src.lastIndexOf("_o") != -1) {
	var imageName = thisImage.src.substring(0,thisImage.src.lastIndexOf("_o"));
	//toggle the src name based on state
	state == 0?endString = "_off.gif":endString = "_on.gif";
	//alert(layerOver);
	//set the image src to the new src
	//alert('imageswap');
	bw.dom?thisImage.setAttribute("src",imageName + endString):thisImage.src=imageName + endString;
	}
}

/*********************************************************************************
Window Functions
*********************************************************************************/	

// suppress errors
// uncomment after debugging is complete
/*function stopError() {
	return true;
}
window.onerror = stopError;
*/

if (window.focus) {
	self.focus();
}

function popWindow(URL,name,widgets) {
	popwin = window.open(URL,name,widgets);
	popwin.focus();	
	popwin.opener = self;
	popwin.name = name;
	// wrap in an if statement; don't rename if window.name already exists
	window.name = "MainWin";			
}
	
function closeWin(){
	window.close()
}

function printPage(lang) {
  if (window.print) {
    window.print() 
  } else if (lang == "fr/") {
    alert("Sorry, your browser doesn't support this feature. [FR] \nUse the print option on your browser to print this page"); 
  } else if (lang == "en/") {
    alert("Sorry, your browser doesn't support this feature. \nUse the print option on your browser to print this page"); 
  } else {
  	alert("Sorry, your browser doesn't support this feature. \nUse the print option on your browser to print this page"); 
  }
}

/**************************************************************************************
show and hide a div
**************************************************************************************/
function getStyleObject(strId) {
	//alert(strId);
	if (document.getElementById && document.getElementById(strId)) {
		return document.getElementById(strId).style;
	} else if (document.all && document.all(strId)) {
		return document.all(strId).style;
	} else {
		return false;
	}
}
	
function fnShow(strDivId) {
	//alert(strDivId);
	var objStyle = document.getElementById(strDivId);
	//alert(objStyle);
	objStyle.style.display = "block"; 
}

function fnHide(strDivId) {
	var objStyle = document.getElementById(strDivId);
	objStyle.style.display = "none"
}

function toggleImg(imgId, imgFileName, srcFolder) {
	// *** Note: srcFolder is optional. It can be included if the image to be swapped is not located in /images/ 
	// (i.e. /images/en)
	var argLength = arguments.length;
	var imgFolder = "/images/";	
	if (argLength > 2) {
		imgFolder = imgFolder + srcFolder + '/';
	}
	var strFileExtension = ".gif";
	//alert(imgFolder + imgFileName + strFileExtension);
	document.getElementById(imgId).src = imgFolder + imgFileName + strFileExtension;
}

function getElementbyClass(className){
	classCollection=new Array()
	var inc=0
	var alltags = document.getElementsByTagName("*")
	for (i=0; i<alltags.length; i++){
		if (alltags[i].className==className)
		classCollection[inc++]=alltags[i]
	}
}