function mouseOverImage(){document.getElementById("img1").src = "images/button_home2.png";}

    function mouseOutImage(){document.getElementById("img1").src = "images/button_home.png";}

    function mouseOverImage2(){document.getElementById("img2").src = "images/button_aboutus2.png";}

    function mouseOutImage2(){document.getElementById("img2").src = "images/button_aboutus.png";}

    function mouseOverImage3(){document.getElementById("img3").src = "images/button_smallbusiness2.png";}

    function mouseOutImage3(){document.getElementById("img3").src = "images/button_smallbusiness.png";}

    function mouseOverImage4(){document.getElementById("img4").src = "images/button_commercial2.png";}

    function mouseOutImage4(){document.getElementById("img4").src = "images/button_commercial.png";}

    function mouseOverImage5(){document.getElementById("img5").src = "images/button_constructionsite2.png";}

    function mouseOutImage5(){document.getElementById("img5").src = "images/button_constructionsite.png";}

    function mouseOverImage6(){document.getElementById("img6").src = "images/button_tools2.png";}

    function mouseOutImage6(){document.getElementById("img6").src = "images/button_tools.png";}

    function mouseOverImage7(){document.getElementById("img7").src = "images/button_contact2.png";}

    function mouseOutImage7(){document.getElementById("img7").src = "images/button_contact.png";}