<!--

function rememberLow() {
	//var nextyear = new Date();
	// add 1 year of mills; JS1.1- and ECMAScript v3 friendly, unlike setYear or setFullYear
	//nextyear.setTime(nextyear.getTime() + 31536000000);
	//document.cookie = "commhts=hi; expires=" + nextyear.toGMTString();
	// use session cookie for now:
	document.cookie = "commhts=lo";
}


var count = 0;

function preLoad() {

	if (document.images) { 

		// preload the folling images
		// check to see if the image is preloaded using loadCheck function
		var buy = new Image(); 
		buy.src = "images/home/ho_hi_buy.gif";
		
		var country = new Image(); 
		country.src = "images/home/ho_hi_co.gif";

		var discuss = new Image(); 
		discuss.src = "images/home/ho_hi_di.gif";

		var educators = new Image(); 
		educators.src = "images/home/ho_hi_ed.gif";

//		var glossary = new Image(); 
//		glossary.src = "images/home/ho_hi_gl.gif";

		var go = new Image(); 
		go.src = "images/home/ho_hi_go.gif";

		var go2 = new Image(); 
		go2.src = "images/home/ho_hi_go.gif";

		var ideas = new Image(); 
		ideas.src = "images/home/ho_hi_id.gif";


		var preview = new Image(); 
		preview.src = "images/home/ho_hi_prev.gif";

		//preview


		var people = new Image(); 
		people.src = "images/home/ho_hi_pe.gif";

		var resources = new Image(); 
		resources.src = "images/home/ho_hi_re.gif";

		var search = new Image(); 
		search.src = "images/home/ho_hi_se.gif";

		var story = new Image(); 
		story.src = "images/home/ho_hi_st.gif";

		var time = new Image(); 
		time.src = "images/home/ho_lo_ke.gif";

		var toggle = new Image(); 
		toggle.src = "images/home/ho_lo_toggle.gif";

		var blurb = new Image(); 
		blurb.src = "images/home/ho_lo_topblank.gif";

	}

}

// check to see that all of the images are preloaded
function loadCheck() {
	count++;
	if (count == 14) {
		alert("All images loaded properly.");
	}
} 


if (document.images) { 

	var buy_off = new Image();
	buy_off.src = "images/home/ho_hi_buy.gif";
	
	var buy_on = new Image();
	buy_on.src = "images/home/ho_hi_buyh.gif";

	var country_on = new Image();
	country_on.src = "images/home/ho_hi_coh.gif";

	var country_off = new Image();
	country_off.src = "images/home/ho_hi_co.gif";

	var discuss_on = new Image();
	discuss_on.src = "images/home/ho_hi_dih.gif";

	var discuss_off = new Image();
	discuss_off.src = "images/home/ho_hi_di.gif";

	var educators_on = new Image();
	educators_on.src = "images/home/ho_hi_edh.gif";

	var educators_off = new Image();
	educators_off.src = "images/home/ho_hi_ed.gif";

//	var glossary_on = new Image();
//	glossary_on.src = "images/home/ho_hi_glh.gif";

//	var glossary_off = new Image();
//	glossary_off.src = "images/home/ho_hi_gl.gif";

	var go_on = new Image();
	go_on.src = "images/home/ho_hi_goh.gif";

	var go_off = new Image();
	go_off.src = "images/home/ho_hi_go.gif";

	var go2_on = new Image();
	go2_on.src = "images/home/ho_hi_goh.gif";

	var go2_off = new Image();
	go2_off.src = "images/home/ho_hi_go.gif";

	var ideas_on = new Image();
	ideas_on.src = "images/home/ho_hi_idh.gif";

	var ideas_off = new Image();
	ideas_off.src = "images/home/ho_hi_id.gif";

	var preview_on = new Image();
	preview_on.src = "images/home/ho_hi_prevh.gif";

	var preview_off = new Image();
	preview_off.src = "images/home/ho_hi_prev.gif";

//	var logo_on = new Image();
//	logo_on.src = "images/home/ho_lo_logoh.gif";

	var logo_off = new Image();
	logo_off.src = "images/home/ho_lo_logo.gif";

	var people_on = new Image();
	people_on.src = "images/home/ho_hi_peh.gif";

	var people_off = new Image();
	people_off.src = "images/home/ho_hi_pe.gif";

//	var printbt_on = new Image();
//	printbt_on.src = "images/home/ho_hi_prh.gif";

	var resources_on = new Image();
	resources_on.src = "images/home/ho_hi_reh.gif";

	var resources_off = new Image();
	resources_off.src = "images/home/ho_hi_re.gif";

	var search_on = new Image();
	search_on.src = "images/home/ho_hi_seh.gif";

	var search_off = new Image();
	search_off.src = "images/home/ho_hi_se.gif";

	var story_on = new Image();
	story_on.src = "images/home/ho_hi_sth.gif";

	var story_off = new Image();
	story_off.src = "images/home/ho_hi_st.gif";

	var time_on = new Image();
	time_on.src = "images/home/ho_lo_keh.gif";

	var time_off = new Image();
	time_off.src = "images/home/ho_lo_ke.gif";

	var toggle_on = new Image();
	toggle_on.src = "images/home/ho_lo_toggleh.gif";

	var blurb_off = new Image();
	blurb_off.src = "images/home/ho_lo_topblank.gif";


	// remote rollover for blurb
	var firstimage=new Image();
	firstimage.src="images/home/ho_lo_toggle.gif";

	var secondimage=new Image();
	secondimage.src="images/home/ho_lo_toggleh.gif";

	var remoteimage=new Image();
	remoteimage.src="images/home/ho_lo_topblank.gif";

	var remoteimagenew=new Image();
	remoteimagenew.src="images/home/ho_lo_topblurb.gif";

	// end the remote rollover
}


// changeImages creates the rollover
function changeImages() {

	if (document.images) { 
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
		}
	}
}


// force tables in  NN to go all the way to the right margin
// by adding a transparent spacer

		function makeIt (num,exception) {
 	 		var browser = navigator.appName;
			 var version = parseInt(navigator.appVersion);
			 var width;
			 // pick location from browser address bar so script can be used at any level 
			
			 		 
			 if (browser == "Netscape" && version >= '4') {
			 	width = window.innerWidth;
			 	if (num == 'total') {
		 			space = '<img src=/wgbh/commandingheights/images/home/singpix.gif width= ' + width + ' height=1  border=0  alt="" />'; 
		 			return space;
		 		} else if (width <= num) {  
		 			space = '&nbsp;';
		 		} else {
		 			
		 			width = width - num; 
		 			//make sure path to spacer.gif is correct
		 			space = '<img src=/wgbh/commandingheights/images/home/singpix.gif width= ' + width + ' height=1  border=0  alt="" />'; 
		 		}
			 } else if (browser != "Netscape" && num == 'total') {
		 		space = '';
			 } else if (browser !="Netscape" && exception == "IE") {
				space = '';		 	
			 } else {
			 	space = '&nbsp;';
			 }
			 return space;
		}


//Force NN to reload on re-size
 		function fixNN () {
 			var ua = navigator.appName;
			var uanum = parseFloat(navigator.appVersion);
			if (ua == "Netscape" && uanum >= '4.08') {
				location.reload();
			} else {
				return;
			}
		}
// -->