function doPreLoad(mySection) {
	if (document.images) {
		preload_image_object = new Image();
		// set image url
		image_url = new Array();
		
		image_url[0] = "images/nav01_h.gif";
    	image_url[1] = "images/nav02_h.gif";
		image_url[2] = "images/nav03_h.gif";
		image_url[3] = "images/nav04_h.gif";
    	image_url[4] = "images/nav05_h.gif";
		image_url[5] = "images/nav06_h.gif";
		image_url[6] = "images/nav07_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) {
	var myNavNameArray=new Array("home","why","what_we_offer","who_work","who","what","where");
	var myNavWidthArray=new Array("61","111","111","173","96","113","153");
    var myNavLinkArray=new Array("index.htm","why.htm","what_we_offer.htm","who_we_work_with.htm","who_we_are.htm","what_we_think.htm","where_to_contact.htm");
    for (var i=0;i<myNavNameArray.length;i++) {
    	if (mySection==myNavNameArray[i]) {
    		document.write('<IMG SRC="images/nav0' + (i+1) + '_h.gif" HEIGHT=30 WIDTH=' + myNavWidthArray[i] + ' BORDER=0>');
    	} else {
			document.write('<A HREF="' + myNavLinkArray[i] + '" onMouseOver="javascript:doHilite(\'nav0' + (i+1) + '\',\'on\');" onMouseOut="javascript:doHilite(\'nav0' + (i+1) + '\',\'off\');"><IMG NAME="nav0' + (i+1) + '" SRC="images/nav0' + (i+1) + '.gif" HEIGHT=30 WIDTH=' + myNavWidthArray[i] + ' BORDER=0></A>');
		}
	}
}


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' + ':info' + '@' + 'greensteel.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>');
}