function swapBgImage(divID){
	var bgImage = "url(http://images.searchmining.net/SM_cats_bg_hover.jpg)"
	var bgcolor = "#FFFFFF";
	
	document.getElementById(divID).style.background = bgImage;
	document.getElementById(divID).style.color = bgcolor;

	
	////alert(document.getElementById(divID).style.backgroundImage );
}

function swapImageBack(divID){

	if (document.forms[0].elements[divID].value != divID){
		document.getElementById(divID).style.background = "";

	}
}

function keepImageSelected(divID){
	var browserType = BrowserDetect.browser;
	var browserVersion = BrowserDetect.version;
	if (browserType == "Explorer" && browserVersion < 8){
	if (instr(document.getElementById("gradientToHide").innerHTML,"jpg") > 0){
		
	}
		if (divID == "newsCategory" && instr(document.getElementById("gradientToHide").innerHTML,"News") > 0){
			document.getElementById("gradientToHide").innerHTML = document.getElementById("gradientToHide").innerHTML + "News";
		} else {
			document.getElementById("gradientToHide").innerHTML = 
		}
		if (divID == "jobsCategory" && instr(document.getElementById("gradientToHide").innerHTML,"Jobs") > 0){
			document.getElementById("gradientToHide").innerHTML = document.getElementById("gradientToHide").innerHTML + "News";
		}
	} else {
		if (document.forms['search'][divID].value!=divID){
			document.forms['search'][divID].value=divID;
		} else {
			document.forms['search'][divID].value = "";
		}
		document.forms[0].elements[divID].color="#FFFFFF";
	}
	
	
}

window.setTimeout('checkSelectedCategories()',1500);

function checkSelectedCategories(){
	if ((document.URL).indexOf("newsCategory=newsCategory") > 1){
		keepImageSelected("newsCategory");
		swapBgImage("newsCategory");
	}
	if ((document.URL).indexOf("jobsCategory=jobsCategory") > 1){
		keepImageSelected("jobsCategory");
		swapBgImage("jobsCategory");
	}
	if ((document.URL).indexOf("blogsCategory=blogsCategory") > 1){
		keepImageSelected("blogsCategory");
		swapBgImage("blogsCategory");
	}
	if ((document.URL).indexOf("researchCategory=researchCategory") > 1){
		keepImageSelected("researchCategory");
		swapBgImage("researchCategory");
	}
	if ((document.URL).indexOf("companiesCategory=companiesCategory") > 1){
		keepImageSelected("companiesCategory");
		swapBgImage("companiesCategory");
	}
}

function companyRegisterSearch(){
var searchTermCoDirectory = document.getElementById("searchTerm").value;
window.location = "coRegister.asp?searchTerm=" + searchTermCoDirectory + "&companyRegister=true";
}
function clearSearchBox(){
if (document.getElementById("searchTerm").value == "Type search here"){
	document.getElementById("searchTerm").value = "";
}
}

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: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			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.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();