function headerover() {
    document.getElementById("link_header").src = "_images/header_on.png";
}
        

function homeover() {
            document.getElementById("link_home").src = "_images/link_home_on.png";
        }
        function aboutover() {
            document.getElementById("link_aboutus").src = "_images/link_aboutus_on.png";
        }
        function whatover() {
            document.getElementById("link_what").src = "_images/link_what_on.png";		
            document.getElementById("what_links").style.display = "block";
            document.getElementById("everything").style.height = 1108+'px';
        }
        function whatoverS() {
            document.getElementById("link_what").src = "_images/link_what_on.png";		
        }
        function ourworkover() {
            document.getElementById("link_ourwork").src = "_images/link_ourwork_on.png";
        }
        function getover() {
            document.getElementById("link_get").src = "_images/link_get_on.png";
        }
	function mediaover() {
            document.getElementById("link_media").src = "_images/link_media_on.png";
        }
	function solutionsover() {
            document.getElementById("link_solutions").src = "_images/link_solutions_on.png";
        }
	function sponsorshipover() {
            document.getElementById("link_sponsorship").src = "_images/link_sponsorship_on.png";
        }
	function artover() {
            document.getElementById("link_art").src = "_images/link_art_on.png";
        }

     
     
        function headeroff() {
            document.getElementById("link_header").src = "_images/header.png";
        }


        function homeoff() {
            document.getElementById("link_home").src = "_images/link_home.png";
        }
        function aboutoff() {
            document.getElementById("link_aboutus").src = "_images/link_aboutus.png";
        }
        function whatoff() {
            document.getElementById("link_what").src = "_images/link_what.png";
            document.getElementById("what_links").style.display = "none";
            document.getElementById("everything").style.height = 980+'px';
        }
        function ourworkoff() {
            document.getElementById("link_ourwork").src = "_images/link_ourwork.png";
        }
        function getoff() {
            document.getElementById("link_get").src = "_images/link_get.png";
        }
	function what_links_on(){
            document.getElementById("what_links").style.display = "block";
            document.getElementById("everything").style.height = 1108+'px';
	}
	function what_links_off(){
            document.getElementById("what_links").style.display = "none";
            document.getElementById("everything").style.height = 980+'px';
	}
        function mediaoff() {
            document.getElementById("link_media").src = "_images/link_media.png";
        }
        function solutionsoff() {
            document.getElementById("link_solutions").src = "_images/link_solutions.png";
        }
        function sponsorshipoff() {
            document.getElementById("link_sponsorship").src = "_images/link_sponsorship.png";
        }
        function artoff() {
            document.getElementById("link_art").src = "_images/link_art.png";
        }