// JavaScript Document
function writeImageFromSet(setSize,imageString1,imageString2,altText,w,h) {
	var randomnumber=Math.floor(Math.random()*(setSize))+1;
	document.write( "<img SRC='"+imageString1+randomnumber+imageString2+"' alt='"+altText+"' border=0 width="+w+" height="+h+" />" );
}

function writeFrontAd1() {
	var frontAd1 = new Array();
	frontAd1[0] = '<a HREF="explore/history.php"><img SRC="images/home/left_panel_set/mammoth_but.gif" alt="The Moraine for life" border="0" /></a>';
	frontAd1[1] = '<a href="javascript:popup_window(\'explore/exploremap.htm\',\'pMapObject\',785,575,\'scrollbars=no,status=no,resizable=no\')"><img border="0" alt="The Moraine for life" src="images/home/left_panel_set/bird_but.gif"/></a>';
	frontAd1[2] = '<a href="javascript:popwin(\'images/explore/formation_movie/index.html\',\'pObject\',790,600,\'\')"><img border="0" alt="The Moraine for life" src="images/home/left_panel_set/glacier_but.gif"/></a>';
	var setSize = 3;
	var randomnumber=Math.floor(Math.random()*(setSize));
	document.write( frontAd1[randomnumber] );
}