// JavaScript Document

/* -------------------------------------------------------------------------- *
	MM functions
 * -------------------------------------------------------------------------- */
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


/* -------------------------------------------------------------------------- *
	My functions
 * -------------------------------------------------------------------------- */
function winClose(){
	window.close();
}

function writeWinClose(){
	document.write("<a href=\"Javascript:;\" onClick = \"winClose();\" class=\"close\">* close *</a>");
}


/* Cookie =================================================================== */
function takeCookie(){
	if(!navigator.cookieEnabled){
		return false;
	}
	
	var temp = document.cookie + ";" ;
	var key = arguments[0];
	var keyExist = temp.indexOf(key,0);//to be or not to be

	if (keyExist != -1){               //read Cookie
		 temp = temp.substring(keyExist,temp.length);
		start = temp.indexOf("=",0)+1;
		  end = temp.indexOf(";",start);
		return(unescape(temp.substring(start,end)));
	}
	return("");                    //no exisance. return null
}

function bakeCookie(){
	var key = arguments[0];  //01 key name.
	var value = arguments[1];//02 value.
	if(!value){return}
	var limit = arguments[2];//03 limit. if this is undefined, deleted when browser closed.

	var temp = key + "=" + escape(value) +"; ";

	if(limit){               //expire setting
		expireDate = new Date();
		expireDate.setYear(expireDate.getUTCFullYear() + limit);
		temp = temp + " expires=" + expireDate.toUTCString();
	};
	//alert(temp);
	document.cookie = temp ;
}

function throwCookie(){
	var key = arguments[0]; //key name
	var value = " ";        //dummy value
	var temp = key + "=" + value +"; ";

	expireDate = new Date();//delete cookie
	expireDate.setYear(expireDate.getYear() + -1);
	temp += "expires=" + expireDate.toUTCString()  ;

	document.cookie = temp;
}


/* http: or https: ========================================================== */
function protcChange(){
  var i;
  for(i=0;i<document.links.length;i++){
    var linkStr = document.links[i].href;
    if(linkStr.indexOf("https://",0) == 0){
      linkStr = linkStr.replace(/http:/,"http:");
      document.links[i].href = linkStr;
    }
  }
}

/* Mail Link ================================================================ */

function mailLink() {
	var data = arguments[0]+"";

	var temp = data.split(/,/);
	var address = "mailto:";
	for (i = 0; i < temp.length; i++) {
		address += String.fromCharCode(temp[i]);
	}
	return address;
}



/* -------------------------------------------------------------------------- *
	smartRollover
	(original: http://css-happylife.com/log/javascript/000157.shtml)
 * -------------------------------------------------------------------------- */
var menuStr = "gnav_";
var currentPage = "";//this is overwritten in a HTML file;

function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off.")){
				//Current page display (custumized)
				if(currentPage && images[i].getAttribute("src").match(menuStr+currentPage)){
					images[i].setAttribute("src", images[i].getAttribute("src").replace("_off.", "_on."));
				}else{
					images[i].onmouseover = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
					}
					images[i].onmouseout = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
					}
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}