//create the namespace for this site
//YAHOO.namespace("stamps");

//Create browser detection object
//http://www.quirksmode.org/js/detect.html
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();


/**
 * With this function, simply add the attribute: rel="external" to the href tag for window popups
 */
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
     anchor.getAttribute("rel") == "external") {
     anchor.onclick = function() {return launchWindow(this.href)}
	 } else if (anchor.getAttribute("href") &&
     anchor.getAttribute("rel") == "external_image") {
     anchor.onclick = function() {return launchImageWindow(this.href)}
	 }
 }
}

/**
 * @param string href to open in new window
 */
function launchWindow(href) {
	if(href=="" || !href)
		return;
	window.open(href);
	return false;
}

/**
 * @param string href to open in new window
 */
function launchImageWindow(src) {
	if(src=="" || !src)
		return;
	var myImage = new Image();
	myImage.src = src;
	var width=0
	var height=0;
	if(myImage.width!="" && myImage.height!="") {
		width = myImage.width+20;
		height = myImage.height+20;
	}
	if(width==0 || height==0)
		return;
		
	window.open(src,'','width='+width+',height='+height+',location=yes,toolbar=yes,menubar=yes,scrollbars=yes,resizable=yes');
	return false;
}


function focusSearch(default_text,inputId) {
	var input = document.getElementById(inputId);
	if(input) {
		if(input.value==default_text)
			input.value='';
		else if(input.value=='')
			input.value=default_text;
	}
}

function hideElement( id ) {
	var ele = document.getElementById( id );
	if (ele) {
		ele.style.display = 'none';
	}
}

function stripHTML(oldString) {

   var newString = "";
   var inTag = false;
   for(var i = 0; i < oldString.length; i++) {
   
        if(oldString.charAt(i) == '<') inTag = true;
        if(oldString.charAt(i) == '>') {
              inTag = false;
              i++;
        }
   
        if(!inTag) newString += oldString.charAt(i);

   }

   return newString;
}

function openCenteredWindow(href,width,height,windowname) {
	if(!width) width = 640;
	if(!height) height = 480;
	if(!windowname) windowname = '';
	var left   = (screen.width  - width)/2;
	var top    = (screen.height - height)/2;
	var params = 'width='+width+', height='+height;
	params += ', top='+top+', left='+left;
	params += ', directories=no';
	params += ', location=no';
	params += ', menubar=no';
	params += ', resizable=yes';
	params += ', scrollbars=yes';
	params += ', status=no';
	params += ', toolbar=no';
	var newwin=window.open(href,windowname, params);
	if (window.focus) {newwin.focus()}
	return false;
}