navTimer = false;

pageCurrentItem = 0;

	/* pageCurrentItem is the global variable equivalent to class="currentItem" */





function init(){

	/* set pageCurrentItem by checking class */

		getDivs();

if(newsNav == true){
		for (i=0; i<(mainNavIds.length); i++){

			var mainNavClass =mainNavIds[i].className;

			if (mainNavClass == "currentItem"){

				pageCurrentItem = i;

			}

		}

	highlightTemp = pageCurrentItem;

	highlight(highlightTemp);

}	
}



function getDivs(){

if(!document.getElementById("subNav1")){
newsNav = false;
}
else{
newsNav = true;
	/* generic function for getting all the relevant divs */

	mainNavId = document.getElementById("subNav1");

	mainNavIds = mainNavId.getElementsByTagName('td') ;



	subNavId = document.getElementById("subNav2");

	subNavIds = subNavId.getElementsByTagName('div') ;

}	
}



function reset (){

	/* onmousover, will set div back to their display on load after timer expires */

highlightTemp = pageCurrentItem;

}

function reset2(){

	if(document.getElementById){

	/* called by timer, sets divs to current value of highlightTemp. calls non-recursive highlight */

		clearTimeout(navTimer);

		navTimer = false;

		getDivs();

		highlight2(highlightTemp);

	



	}

}

function highlight(subSection){

/* highlight moused-over section */

highlightTemp = subSection;

if(!navTimer){

highlightCore(highlightTemp);

}

/* set timer */

navTimer = setTimeout("reset2()",600);



}



function highlight2(subSection){

highlightTemp = subSection;



highlightCore(highlightTemp);



}



function highlightCore(subSection){

	if(document.getElementById){

		getDivs();

		for (i=0; i<(subNavIds.length); i++){

			subNavIds[i].style.visibility = "hidden";

		}



		for (i=0; i<(mainNavIds.length); i++){

			mainNavIds[i].style.backgroundColor = "black";

			mainNavIds[i].style.textTransform = "none";

		}



		subNavIds[subSection].style.visibility = "visible";

		mainNavIds[subSection].style.backgroundColor = "black";
		
		mainNavIds[subSection].style.textTransform = "none";

	}



}


if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", init, false);
}
else {
window.onload =  init; 
}