/* 
	 Hover layers on shopping_cart_features.html & web_store_design.html
	Created: 	Feb 08 
	Author:   Eoin McGrath
*/


function toggleClue(el) {

//	step back through the DOM to get the parent cell so we can highlight it
	var step1 = document.getElementById(el).parentNode;
	var step2 = step1.parentNode;
	step2.id = el+'Cell';

	document.getElementById(el+'Show').style.left = (300)+"px";
	document.getElementById(el+'Show').style.top = (-50)+"px";

	var coords = findPos(document.getElementById(el));

	var state = document.getElementById(el+'Show').style.display;
	if(state == 'block') {
		state = '';
		removeClass(document.getElementById(step2.id), 'active');
	}
	else {
		state = 'block';
		addClass(document.getElementById(step2.id), 'active');
	}


	document.getElementById(el+'Show').style.display = state;
}


function toggleBullet(el) {

	var bullet = document.getElementById(el);

	var xOff = 50 
	var xPos = document.getElementById(el).offsetLeft;
	var yPos = document.getElementById(el).offsetTop;

	if(xPos > 600)
	{
		xOff = -255;
		document.getElementById(el+'Show').className = 'hidden clueDiv switchLeft';
	}

	document.getElementById(el+'Show').style.left = (xPos + xOff) +"px";
	document.getElementById(el+'Show').style.top = (yPos -30)+"px";

	var state = document.getElementById(el+'Show').style.display;
	if(state == 'block') {
		state = '';
	}
	else {
		state = 'block';
	}


	document.getElementById(el+'Show').style.display = state;
	

}


function toggleMenu(el) {

	var toggleDiv = el.id+'Hidden';
	var MenuDiv = el.id+'Menu';

	//toggle
	var state = document.getElementById(toggleDiv).style.display;
	if(state == 'block') {
		state = 'none';
		document.getElementById(MenuDiv).className = '';
	}
	else {
		state = 'block';
		document.getElementById(MenuDiv).className = 'menuOn';
	el.style.cursor = "pointer";
	el.style.cursor = "hand";
	}


	document.getElementById(toggleDiv).style.display = state;
}


function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		} while (obj = obj.offsetParent);
	}
	return [curleft,curtop];
}


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"
		}
	]

};