/* *******************************************************
J  a  v  a  c  a  t  z
Filename:   common.js
Purpose:    This file is created to hold common functions
            that are useful to other projects.
            Please do not put other codes in this file.
Created by: KY 2007.09.13
Modified by: KY 2009.05.29
******************************************************* */


/* Get URL Parameter */
function getParameter(name) {		// get value of an ? parameter in url
	var url = window.location.href;
	var paramsStart = url.indexOf("?");
	if(paramsStart != -1) {
		var paramString = url.substr(paramsStart + 1);
		var tokenStart = paramString.indexOf(name);
		if(tokenStart != -1) {
			paramToEnd = paramString.substr(tokenStart + name.length + 1);
			var delimiterPos = paramToEnd.indexOf("&");
			if(delimiterPos == -1) {
				return paramToEnd;
			} else {
				return paramToEnd.substr(0, delimiterPos);
			}
		} else {
			return "";
		}
	}
}


/* Browser Detection */
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();


/* Set, Retrieve, Delete Cookies */
function setCookie(name, value, expires) { 
	var expDate = new Date(expires);
	document.cookie = name + "=" + escape(value) + "; path=/" + ((expires == null) ? "" : "; expires=" + expDate.toGMTString());
}
function getCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return unescape(c.substring(nameEQ.length,c.length));
	}
	return null;
}
function delCookie(name) {
	document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" + "; path=/";
}

/* Print Page */
function printPage() {
	var this_url = document.location.href;
	if(this_url.lastIndexOf('?') == -1) {	// there is no ? parameters
		this_url = this_url + "?screenmode=print";
	} else {
		this_url = this_url + "&screenmode=print";
	}
	var day = new Date();
	var id = day.getTime();
	eval("page" + id + " = window.open(this_url, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=1,resizable=1,width=640,height=480'); page" + id + ".focus();");
}
function printPageWithURL(ExtraURL) {
	var day = new Date();
	var id = day.getTime();
	eval("page" + id + " = window.open(ExtraURL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=1,resizable=1,width=640,height=480'); page" + id + ".focus();");
}
function printPage2(){
	print();
}


/* Fix PNG in MSIE, used in bodyOnLoad in needed */
function fixPNG() {
	// var arVersion = navigator.appVersion.split("MSIE");
	// var version = parseFloat(arVersion[1]);

	// if ((version >= 5.5) && (version < 7)) {
	if( BrowserDetect.browser == "Explorer" && BrowserDetect.version >= 5.5 && BrowserDetect.version < 7 && BrowserDetect.OS == "Windows" ) {
	   for(var i=0; i<document.images.length; i++) {
		  var img = document.images[i];
		  var imgName = img.src.toUpperCase();
		  if (imgName.substring(imgName.length-3, imgName.length) == "PNG") {
			 var imgID = (img.id) ? "id='" + img.id + "' " : "";
			 var imgClass = (img.className) ? "class='" + img.className + " fixPNG' " : "class='fixPNG'";
			 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
			 var imgStyle = "display:inline-block;" + img.style.cssText ;
			 if (img.align == "left") imgStyle = "float:left;" + imgStyle;
			 if (img.align == "right") imgStyle = "float:right;" + imgStyle;
			 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle;
			 var strNewHTML = "<span " + imgID + imgClass + imgTitle
			 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle // + ";"
			 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			 + "(src=\'" + img.src + "\', sizingMethod='scale');\">"
			 + "<span class='unfixPNG' style='display: none;'>" + img.src + ":::" + img.style.cssText + "</span>"	// moded by KY
			 + "</span>";
			 img.outerHTML = strNewHTML;
			 i = i-1;
		  }
	   }
	}
}
function unfixPNG() {	// undo fixPNG -- added by KY, not 100% foolproof yet.
	var itemFixPNG = $$('.fixPNG');
	var itemFixPNG_span = $$('.fixPNG .unfixPNG');
	var counter = 0;
	if(itemFixPNG.length > 0) {
		itemFixPNG.each( function(node) {
			var tmpText = itemFixPNG_span[counter].innerHTML.split(":::");
			var imgSrc = tmpText[0];
			var imgID = ($(node).id) ? "id='" + $(node).id + "' " : "";
			var imgClass = ($(node).className) ? "class='" + $(node).className + "' " : "";
			imgClass = imgClass.replace("fixPNG", "");
			var imgTitle = ($(node).title) ? "title='" + $(node).title + "' " : "";
			var imgStyle = (tmpText[1]!="") ? "style='" + tmpText[1] + "' " : "";
			$(node).outerHTML = "<img src='" + imgSrc + "' alt='beforePrintPNG' " + imgID + imgClass + imgTitle + imgStyle + " />";
			counter++;
		} );
	}
}


/* *** IE Update for ActiveX click to activate *** */
function ieupdate() {
	objects = document.getElementsByTagName("object");
	for (var i = 0; i < objects.length; i++)
	{
		objects[i].outerHTML = objects[i].outerHTML;
	}
}