retail_on = new Image(130,16);
retail_on.src = "images/portfolio_buttons//retail_on.gif";
hotels_on = new Image(130,16);
hotels_on.src = "images/portfolio_buttons//hotels_on.gif";
industrial_on = new Image(130,16);
industrial_on.src = "images/portfolio_buttons//industrial_on.gif";
offices_on = new Image(130,16);
offices_on.src = "images/portfolio_buttons//offices_on.gif";
reports_on = new Image(130,16);
reports_on.src = "images/portfolio_buttons//reports_on.gif";
schools_on = new Image(130,16);
schools_on.src = "images/portfolio_buttons//schools_on.gif";
healthcare_on = new Image(130,16);
healthcare_on.src = "images/portfolio_buttons//healthcare_on.gif";
legal_on = new Image(130,16);
legal_on.src = "images/portfolio_buttons//legal_on.gif";

retail_off = new Image(130,16);
retail_off.src = "images/portfolio_buttons//retail_off.gif";
hotels_off = new Image(130,16);
hotels_off.src = "images/portfolio_buttons//hotels_off.gif";
industrial_off = new Image(130,16);
industrial_off.src = "images/portfolio_buttons//industrial_off.gif";
offices_off = new Image(130,16);
offices_off.src = "images/portfolio_buttons//offices_off.gif";
reports_off = new Image(130,16);
reports_off.src = "images/portfolio_buttons//reports_off.gif";
schools_off = new Image(130,16);
schools_off.src = "images/portfolio_buttons//schools_off.gif";
healthcare_off = new Image(130,16);
healthcare_off.src = "images/portfolio_buttons//healthcare_off.gif";
legal_off = new Image(130,16);
legal_off.src = "images/portfolio_buttons//legal_off.gif";