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();
  
	document.onmousemove = function(evt)
  	{
		if (typeof evt == 'undefined') 
		{
			myEvent = window.event;
		}
		
		else 
		{
			myEvent = evt;
		}
		
		if(BrowserDetect.browser == "Safari")
		{
			posX = myEvent.clientX;
			posY = myEvent.clientY;
		}
		
		else if(myEvent.clientX)
		{
			posX = myEvent.clientX+document.body.scrollLeft;
			posY = myEvent.clientY+document.body.scrollTop;
		}
		
		else if(myEvent.pageX)
		{
			posX = myEvent.pageX+window.pageXOffset;
			posY = myEvent.pageY+window.pageYOffset;
		}
		
		//document.theform.x.value = posX;
		//document.theform.y.value = posY;
		
		if(current_menu)		
		{
			if(posX > minX && posX < maxX && posY > minY && posY < maxY){}
			else{document.getElementById(current_menu).style.visibility = 'hidden'; document.getElementById("people").style.visibility = 'hidden'; document.getElementById("contact").style.visibility = 'hidden';};
		}
	}
	
	current_menu = "";
	minX = 0;
	maxX = 0;
	minY = 0;
	maxY = 0;
	
	function show_menu(n,offset)
	{
	
		current_menu = n;
		document.getElementById(n).style.visibility = 'visible'; 
		
		if(current_menu == "contact")
		{
			offset = offset - 26;
		}
		
		nObj = document.getElementById(n);		

		if(nObj.currentStyle)
		{
			//shitty internet explorer code
		
			document.getElementById(n).style.left = ((document.body.offsetWidth - 800)/2) + 152 + offset;

			//document.getElementById(n).style.height = nObj.currentStyle['height'];
			//document.getElementById(n).style.width = nObj.currentStyle['width'];
		
			var oHeight = nObj.getBoundingClientRect();
			var iHeight = oHeight.bottom - oHeight.top;
	
			var oWidth = nObj.getBoundingClientRect();
			var iWidth = oWidth.bottom - oWidth.top;
		
			minX = eval(document.getElementById(n).style.left.split('px')[0]);
			maxX = eval(document.getElementById(n).style.left.split('px')[0]) + eval(iWidth);
			minY = eval(document.getElementById(n).style.top.split('px')[0]);
			maxY = eval(document.getElementById(n).style.top.split('px')[0]) + eval(iHeight);
		}
		
			else if(document.defaultView.getComputedStyle)
			{
				//good mozilla code
		
				document.getElementById(n).style.left = ((document.body.offsetWidth - 800)/2) + 158 + offset;
				
				document.getElementById(n).style.height = document.defaultView.getComputedStyle(nObj,'').getPropertyValue('height'); 
				document.getElementById(n).style.width = document.defaultView.getComputedStyle(nObj,'').getPropertyValue('width');
			
				minX = eval(document.getElementById(n).style.left.split('px')[0]);
				maxX = eval(document.getElementById(n).style.left.split('px')[0]) + eval(document.getElementById(n).style.width.split('px')[0]);
				minY = eval(document.getElementById(n).style.top.split('px')[0]);
				maxY = eval(document.getElementById(n).style.top.split('px')[0]) + eval(document.getElementById(n).style.height.split('px')[0]);				
			}
			
		//alert(current_menu + ", " + minX + ", " + maxX + ", " + minY + ", " + maxY);
		//alert(eval(document.getElementById(n).style.width.split('px')[0]));
		//alert(offset);
	}
	
	//function thumbnail_width(n)
	//{alert(n);
	//	if(document.getElementByID(n).width > 120)
	//	{
	//		return "100px";
	//	}
	//}