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.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"
		},
		{	// 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();



function showHide(objID, show) {
  objStyle = (document.getElementById) ? document.getElementById(objID).style : (document.all) ? document.all[objID].style : document.layers[objID];
  // objStyle.visibility = (isShow) ? 'visible' : 'hidden';
  if( show ) objStyle.display = 'block';
  else objStyle.display = 'none';
  // objStyle.display = (objStyle.display) ? 'none' : 'block';
}

function hideAll() {
	showHide('about',0);
//	showHide('why',0);
	showHide('services',0);
	showHide('property',0);
	showHide('register',0);
}


function preloadImages() {
	var args = preloadImages.arguments;
	document.imageArray = new Array(args.length);
	for(var i=0; i<args.length; i++) {
    	document.imageArray[i] = new Image;
    	document.imageArray[i].src = args[i];
  	}
}

function switchImage(imgName, imgSrc) {
  if (document.images)
  {
    if (imgSrc != "none")
    {
      document.images[imgName].src = imgSrc;
    }
  }
}

function getWidth(myDiv,rw) {
	var sw = Math.floor(document.body.offsetWidth / 2);
	var tw = 355;
	var np = sw - tw + rw;
	var fp = eval(np) + "px";
	//document.getElementById("property_div").style.left = fp;

	divStyle = (document.getElementById) ? document.getElementById(myDiv).style : (document.all) ? document.all[myDiv].style : document.layers[myDiv];
	divStyle.left = fp;
}

function setPosition(myDiv,rw,rh) {
	var sw = Math.floor(document.body.offsetWidth / 2);
	var tw = 355;
	var browser_diff_w = 0;
	var browser_diff_h = 0;
	if (BrowserDetect.browser=="Firefox") {
		browser_diff_w = 0;
		browser_diff_h = -1;
	}

	var np_w = sw - tw + rw + browser_diff_w;
	var fp_w = eval(np_w) + "px";

	var np_h = rh + browser_diff_h;
	var fp_h = eval(np_h) + "px";
try {
	divStyle = (document.getElementById) ? document.getElementById(myDiv).style : (document.all) ? document.all[myDiv].style : document.layers[myDiv];
	divStyle.left = fp_w;
	divStyle.top = fp_h;
} catch (e) {
	//alert(e + ' ' + myDiv);
}
}

//var offsetX;
//var offsetY;

function doResize(){
	if(!offsetX) offsetX = 0;
	if(!offsetY) offsetY = 0;
setPosition('about',50+offsetX,432+offsetY);
//setPosition('why',92,432);
setPosition('services',215+offsetX,432+offsetY);
setPosition('property',300+offsetX,432+offsetY);
setPosition('register',387+offsetX,432+offsetY);
hideAll();
}

function closeSubnav(event){
  if ((event.clientY < 300)||(event.clientY > 535)){
		doResize();
    }
}