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		img1on.src = "images/home/hm_dar_bt_ovr.jpg";  
		img2on = new Image(); 
		img2on.src = "images/home/hm_cha_bt_ovr.jpg";  
		img3on = new Image();
		img3on.src = "images/home/hm_ext_bt_ovr.jpg";
		img4on = new Image();
		img4on.src = "images/home/hm_sur_bt_ovr.jpg";
		img5on = new Image();
		img5on.src = "images/home/hm_sex_bt_ovr.jpg";
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		img6on.src = "images/home/hm_hu_bt_ovr.jpg";
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		img7on.src = "images/home/hm_rel_bt_ovr.jpg";
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		img8on.src = "images/spacer.gif";
		img9on = new Image();
		img9on.src = "images/home/hm_lib_bt_ovr.jpg";
		img10on = new Image();
		img10on.src = "images/home/hm_ts_bt_ovr.jpg";
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		img13on.src = "images/home/home_nav_stu_h.gif";
		
		img1off = new Image();          // Inactive images
		img1off.src = "images/home/hm_dar_bt_off.jpg"; 
		img2off = new Image();
		img2off.src = "images/home/hm_cha_bt_off.jpg";  
		img3off = new Image();
		img3off.src = "images/home/hm_ext_bt_off.jpg";
		img4off = new Image();
		img4off.src = "images/home/hm_sur_bt_off.jpg";
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		img5off.src = "images/home/hm_sex_bt_off.jpg";  
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		img6off.src = "images/home/hm_hu_bt_off.jpg";
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		img7off.src = "images/home/hm_rel_bt_off.jpg";
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		img8off.src = "images/spacer.gif";
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		img9off.src = "images/home/hm_lib_bt_off.jpg";
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		img1txt = "Darwin: Discover the power of Darwin's \"dangerous idea.\"";
		img2txt = "Change: Explore the history of life's great transformations.";
		img3txt = "Extinction: Find out what triggers mass extinctions -- and if one is happening now.";
		img4txt = "Survival: Life is a struggle. See what it takes to survive.";
		img5txt = "Sex: Learn the rules of the mating game.";
		img6txt = "Humans: Investigate the record of our family's history.";
		img7txt = "Religion: Consider how science and faith can be reconciled.";
		img8txt = "";
		img9txt = "";
		img11txt = "Explore a multimedia library featuring video clips and web activities.";
		img12txt = "Professional development courses, teaching strategies, and lesson plans.";
		img13txt = "Seven short videos to spur classroom discussions about evolution.";

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		img1ad.src = "images/home/hm_dar_txt_ovr.gif";  // Secondary Images
		img2ad = new Image();
		img2ad.src = "images/home/hm_cha_txt_ovr.gif";  
		img3ad = new Image();         
		img3ad.src = "images/home/hm_ext_txt_ovr.gif";  
		img4ad = new Image();
		img4ad.src = "images/home/hm_sur_txt_ovr.gif";  
		img5ad = new Image();         
		img5ad.src = "images/home/hm_sex_txt_ovr.gif";  
		img6ad = new Image();
		img6ad.src = "images/home/hm_hu_txt_ovr.gif";
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		img10ad = new Image();
		img10ad.src = "images/home/hm_ts_txt_ovr.gif"; */

		function imgOn(imgName) {
		        if (document.images) {
		            document[imgName].src = eval(imgName + "on.src");
		            var changeDiv = document.getElementById('holder');
		        	changeDiv.innerHTML = eval(imgName + "txt");
		            // document["holder"].src = eval(imgName + "ad.src"); // Added line!
		        }
		}

		function imgOff(imgName) {
		        if (document.images) {
		            document[imgName].src = eval(imgName + "off.src");
		            var changeDiv = document.getElementById('holder');
		        	changeDiv.innerHTML = "";
		            //document["holder"].src = "images/spacer.gif";  // Added line!
		        }
		}
		
		function txtOn(imgName) {
				if (document.images) {
					document[imgName].src = eval(imgName + "on.src");
					var changeDiv = document.getElementById('shortTxt');
					changeDiv.innerHTML = eval(imgName + "txt");
				}
		}
		
		function txtOff(imgName) {
				if (document.images) {
					document[imgName].src = eval(imgName + "off.src");
					var changeDiv = document.getElementById('shortTxt');
					changeDiv.innerHTML = "";
				}
		}

}

var premiereDate = new Date(2001,8,24); // Sept. 24, 2001
var today = new Date();
var difference = today.getTime() - premiereDate.getTime();
difference = Math.floor(difference/(1000*60*60*24));

function chooseHeadline() {
	return difference % 21; // 21 features
}

function chooseHotPick() {
	return difference % 7; // 7 show combinations
}

function submitVideo() {
	document.videosearch.submit();
}

function submitWebAct() {
	document.webactsearch.submit();
}