if (document.images) {
          menu1 = new Image();
          menu1.src="images/menu-hover-home.gif";
          menu2 = new Image();
          menu2.src="images/menu-hover-service.gif";
          menu3 = new Image();
          menu3.src="images/menu-hover-order.gif";
          menu4 = new Image();
          menu4.src="images/menu-hover-portfolio.gif";
          menu5 = new Image();
          menu5.src="images/menu-hover-process.gif";
          menu6 = new Image();
          menu6.src="images/menu-hover-contact.gif";
          menu7 = new Image();
          menu7.src="images/menu-hover-faq.gif";

          m_off1 = new Image();
          m_off1.src="images/menu-select-home.gif";
          m_off2 = new Image();
          m_off2.src="images/menu-select-service.gif";
          m_off3 = new Image();
          m_off3.src="images/menu-select-order.gif";
          m_off4 = new Image();
          m_off4.src="images/menu-select-portfolio.gif";
          m_off5 = new Image();
          m_off5.src="images/menu-select-process.gif";
          m_off6 = new Image();
          m_off6.src="images/menu-select-contact.gif";
          m_off7 = new Image();
          m_off7.src="images/menu-select-faq.gif";
     }
     function chgIMG(picName,imgName) {
          if (document.images) {
              imgOn=eval(imgName + ".src");
              document[picName].src= imgOn;
          }
     }