function homeover(){
        document.home.src="images/home_on.gif"
		        }
										
function homeout(){
        document.home.src="images/home_off.gif"
		}

function schoolover(){
        document.school.src="images/school_on.gif"
		        }
										
function schoolout(){
        document.school.src="images/school_off.gif"
		}

function studentover(){
        document.student.src="images/student_on.gif"
		        }
										
function studentout(){
        document.student.src="images/student_off.gif"
		}

function activitiesover(){
        document.activities.src="images/activities_on.gif"
		        }
										
function activitiesout(){
        document.activities.src="images/activities_off.gif"
		}

function projectsover(){
        document.projects.src="images/projects_on.gif"
		        }
										
function projectsout(){
        document.projects.src="images/projects_off.gif"
		}

function graduatesover(){
        document.graduates.src="images/graduates_on.gif"
		        }
										
function graduatesout(){
        document.graduates.src="images/graduates_off.gif"
		}

function contactover(){
        document.contact.src="images/contact_on.gif"
		        }
										
function contactout(){
        document.contact.src="images/contact_off.gif"
		}

function sitemapover(){
        document.sitemap.src="images/sitemap_on.gif"
		        }
										
function sitemapout(){
        document.sitemap.src="images/sitemap_off.gif"
		}