var isamap = new Object();
isamap[0] = "_df"
isamap[1] = "_ov"
isamap[2] = "_ot"
isamap[3] = "_dn"

var isimages;

function isimgact(id, act)
{
	if(document.images) document.images[id].src = eval( "isimages." + id + isamap[act] + ".src");
}

if (document.images) { // ensure browser can do rollovers.
isimages = new Object();
isimages.menu_top_1_df = new Image();
isimages.menu_top_1_df.src = "images/menu_nav_home.gif";
isimages.menu_top_1_ov = new Image();
isimages.menu_top_1_ov.src = "images/menu_nav_home_o.gif";
isimages.menu_top_2_df = new Image();
isimages.menu_top_2_df.src = "images/menu_nav_team.gif";
isimages.menu_top_2_ov = new Image();
isimages.menu_top_2_ov.src = "images/menu_nav_team_o.gif";
isimages.menu_top_3_df = new Image();
isimages.menu_top_3_df.src = "images/menu_nav_portfolio.gif";
isimages.menu_top_3_ov = new Image();
isimages.menu_top_3_ov.src = "images/menu_nav_portfolio_o.gif";
isimages.menu_top_4_df = new Image();
isimages.menu_top_4_df.src = "images/menu_nav_funds.gif";
isimages.menu_top_4_ov = new Image();
isimages.menu_top_4_ov.src = "images/menu_nav_funds_o.gif";
isimages.menu_top_5_df = new Image();
isimages.menu_top_5_df.src = "images/menu_nav_finance.gif";
isimages.menu_top_5_ov = new Image();
isimages.menu_top_5_ov.src = "images/menu_nav_finance_o.gif";
isimages.menu_top_6_df = new Image();
isimages.menu_top_6_df.src = "images/menu_nav_property.gif";
isimages.menu_top_6_ov = new Image();
isimages.menu_top_6_ov.src = "images/menu_nav_property_o.gif";
isimages.menu_top_7_df = new Image();
isimages.menu_top_7_df.src = "images/menu_nav_name.gif";
isimages.menu_top_7_ov = new Image();
isimages.menu_top_7_ov.src = "images/menu_nav_name_o.gif";
isimages.menu_top_8_df = new Image();
isimages.menu_top_8_df.src = "images/menu_nav_ocean.gif";
isimages.menu_top_8_ov = new Image();
isimages.menu_top_8_ov.src = "images/menu_nav_ocean_o.gif";
isimages.menu_bot_1_df = new Image();
isimages.menu_bot_1_df.src = "images/bot_cz_ver.gif";
isimages.menu_bot_1_ov = new Image();
isimages.menu_bot_1_ov.src = "images/bot_cz_ver_on.gif";
isimages.menu_bot_2_df = new Image();
isimages.menu_bot_2_df.src = "images/bot_site_map.gif";
isimages.menu_bot_2_ov = new Image();
isimages.menu_bot_2_ov.src = "images/bot_site_map_on.gif";
isimages.menu_bot_3_df = new Image();
isimages.menu_bot_3_df.src = "images/bot_contact.gif";
isimages.menu_bot_3_ov = new Image();
isimages.menu_bot_3_ov.src = "images/bot_contact_on.gif";
}

function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}

function changeImage(layer,imgName,imgObj) {
	if (document.images) {
	eval(layer+'.doc.images["'+imgName+'"].src = '+imgObj+'.src')
	}
}

function changeImag(layer,imgName,imgObj) {
	if (document.images) {
		if (document.layers && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src')
		else document.images[imgName].src = eval(imgObj+".src")
	}
}