if (document.images) {
	var email_off = new Image();
	email_off.src = 'images/tools/email_off.gif';
	var email_over = new Image();
	email_over.src = 'images/tools/email_over.gif';
	var email_text_over = new Image();
	email_text_over.src = 'images/tools/email_text.gif';
	var download_off = new Image();
	download_off.src = 'images/tools/download_off.gif';
	var download_over = new Image();
	download_over.src = 'images/tools/download_over.gif';
	var download_text_over = new Image();
	download_text_over.src = 'images/tools/download_text.gif';
	var print_off = new Image();
	print_off.src = 'images/tools/print_off.gif';
	var print_over = new Image();
	print_over.src = 'images/tools/print_over.gif';
	var print_text_over = new Image();
	print_text_over.src = 'images/tools/print_text.gif';
	var info_off = new Image();
	info_off.src = 'images/tools/info_off.gif';
	var info_over = new Image();
	info_over.src = 'images/tools/info_over.gif';
	var info_text_over = new Image();
	info_text_over.src = 'images/tools/info_text.gif';

	var text_off = new Image();
	text_off.src = 'images/bkgdSpacer.gif';

	var navLeft_off = new Image();
	navLeft_off.src= 'images/nav/navLeft_off.gif';
	var navLeft_over = new Image();
	navLeft_over.src= 'images/nav/navLeft_over.gif';
	var navRight_off = new Image();
	navRight_off.src= 'images/nav/navRight_off.gif';
	var navRight_over = new Image();
	navRight_over.src= 'images/nav/navRight_over.gif';
}

function toolState(tool,state) {
	var tool, state;

	if (document.images) {
		// tool image
		document.images[tool].src = eval(tool + '_' + state + '.src');
		// text image
		var toolText = (state == 'over') ? tool + '_text' : 'text' ;
		var textImg = tool + '_text';
		document.images[textImg].src = eval(toolText + '_' + state + '.src');
	}
}

function navOver(id,state) {
	var id, state;
	
	if (document.images) {
		var leftImg = 'nav'+id+'Left';
		var rightImg = 'nav'+id+'Right';
		document.images[leftImg].src = eval('navLeft_' + state + '.src');
		document.images[rightImg].src = eval('navRight_' + state + '.src');
	
	}
	var top = document.getElementById('nav'+id+'Top');
	var bottom = document.getElementById('nav'+id+'Bottom');
	var bkgd = document.getElementById('nav'+id+'Bkgd');

	top.bgColor = (state=='over') ? '#ffffff' : '#9A6666';
	bottom.bgColor = (state=='over') ? '#ffffff' : '#9A6666';
	bkgd.bgColor = (state=='over') ? '#723737' : '';
}