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

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

function keepImageSelected(divID){
	if (document.forms[0].elements[divID].value!=divID){
		document.forms[0].elements[divID].value=divID;
	} else {
		document.forms[0].elements[divID].value = "";
	}
	//alert(document.forms[0].elements[divID].value);
	//selectedArray = selectedArray + divID;
	//alert(selectedArray.length);
	
	
	
	//if (selectedArray.length == 0){
	//	selectedArray[0] = divID;
	//} else {
	//	selectedArray[selectedArray.length+1] = divID;
	//}
	//alert(selectedArray.length);
	//for (x=0;x<=selectedArray.length;x++){
		//alert(selectedArray[x]);
	//}
}

window.setTimeout('checkSelectedCategories()',1000);

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");
	}
}