function doPreLoad(mySection) {
	if (document.images) {
		preload_image_object = new Image();
		// set image url
		image_url = new Array();
		
		if (mySection=="home") {
    	  	image_url[0] = "images/nav_01_h.gif";
    	  	image_url[1] = "images/nav_02_h.gif";
    	  	image_url[2] = "images/nav_03_h.gif";
		} else {
    	  	image_url[0] = "images/subnav_01_h.gif";
    	  	image_url[1] = "images/subnav_02_h.gif";
			image_url[2] = "images/subnav_03_h.gif";
		}
		
		image_url[3] = "images/screen_ws_link_h.gif";
		image_url[4] = "images/screen_cu_link_h.gif";
		image_url[5] = "images/screen_home_link_h.gif";
		
		var i = 0;
		for(i=0; i<=image_url.length; i++) {
			preload_image_object.src = image_url[i];
		}
	}
}

function doHilite(myImage,myState) {
	if (myState=="on") {
		document[myImage].src="images/" + myImage + "_h.gif";
	} else {
		document[myImage].src="images/" + myImage + ".gif";
	}
}

function drawNav(mySection) {
	document.write('<IMG SRC="images/blank.gif" HEIGHT=29 WIDTH=110 BORDER=0>');
	document.write('<TABLE WIDTH=110 BACKGROUND="images/screen_subnav_back.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0>');
    document.write('<TR VALIGN=TOP><TD WIDTH=16><IMG SRC="images/blank.gif" HEIGHT=10 WIDTH=16 BORDER=0></TD>');
    document.write('<TD WIDTH=82><IMG SRC="images/blank.gif" HEIGHT=12 WIDTH=82 BORDER=0>');
    
    var myNavNameArray=new Array("producing","using","reusing");
    var myNavLinkArray=new Array("producing.html","using.html","reusing.html");
    for (var i=0;i<myNavNameArray.length;i++) {
    	if (mySection==myNavNameArray[i]) {
    		document.write('<IMG SRC="images/subnav_0' + (i+1) + '_h.gif" HEIGHT=79 WIDTH=82 BORDER=0>');
    	} else {
			document.write('<A HREF="' + myNavLinkArray[i] + '" onMouseOver="javascript:doHilite(\'subnav_0' + (i+1) + '\',\'on\');" onMouseOut="javascript:doHilite(\'subnav_0' + (i+1) + '\',\'off\');"><IMG NAME="subnav_0' + (i+1) + '" SRC="images/subnav_0' + (i+1) + '.gif" HEIGHT=79 WIDTH=82 BORDER=0></A>');
		}
	}
    document.write('<IMG SRC="images/blank.gif" HEIGHT=14 WIDTH=82 BORDER=0></TD>');
    document.write('<TD WIDTH=12><IMG SRC="images/blank.gif" HEIGHT=10 WIDTH=12 BORDER=0></TD>');
    document.write('</TD></TR></TABLE>');

}


function drawFooter(mySection) {
	document.write('<TR VALIGN=TOP><TD WIDTH=678 COLSPAN=5>');
	document.write('<IMG SRC="images/screen_btm_bar.gif" HEIGHT=16 WIDTH=678 BORDER=0>');
	document.write('<IMG SRC="images/blank.gif" HEIGHT=19 WIDTH=76 BORDER=0>');
	document.write('<A HREF="http://www.worldautosteel.org" TARGET="_blank" onMouseOver="javascript:doHilite(\'screen_ws_link\',\'on\');" onMouseOut="javascript:doHilite(\'screen_ws_link\',\'off\');"><IMG NAME="screen_ws_link" SRC="images/screen_ws_link.gif" HEIGHT=19 WIDTH=175 BORDER=0></A>');
	document.write('<IMG SRC="images/blank.gif" HEIGHT=19 WIDTH=317 BORDER=0>');
	if (mySection=="home") {
		document.write('<IMG SRC="images/blank.gif" HEIGHT=19 WIDTH=39 BORDER=0>');
	}
	document.write('<A HREF="' + 'ma' + 'il' + 'To' + ':khickey' + '@' + 'worldautosteel.org' + '?subject=Green Steel Inquiry' + '" TARGET="_blank" onMouseOver="javascript:doHilite(\'screen_cu_link\',\'on\');" onMouseOut="javascript:doHilite(\'screen_cu_link\',\'off\');"><IMG NAME="screen_cu_link" SRC="images/screen_cu_link.gif" HEIGHT=19 WIDTH=57 BORDER=0></A>');
	if (mySection!="home") {
		document.write('<IMG SRC="images/screen_div.gif" HEIGHT=19 WIDTH=3 BORDER=0>');
		document.write('<A HREF="index.html" onMouseOver="javascript:doHilite(\'screen_home_link\',\'on\');" onMouseOut="javascript:doHilite(\'screen_home_link\',\'off\');"><IMG NAME="screen_home_link" SRC="images/screen_home_link.gif" HEIGHT=19 WIDTH=36 BORDER=0></A>');
	}
	document.write('<IMG SRC="images/blank.gif" HEIGHT=19 WIDTH=14 BORDER=0>');
	document.write('</TD></TR>');
}