function aboutload() {
	document.getElementById("about").style.display = "block";
	document.getElementById("manage").style.display = "none";
		document.getElementById("about_button").style.backgroundImage = "url(images/about/aboutbutton_on.png)";
		document.getElementById("manage_button").style.backgroundImage = "url(images/about/managebutton_off.png)";
}

function manageload() {
	document.getElementById("about").style.display = "none";
	document.getElementById("manage").style.display = "block";
		document.getElementById("about_button").style.backgroundImage = "url(images/about/aboutbutton_off.png)";
		document.getElementById("manage_button").style.backgroundImage = "url(images/about/managebutton_on.png)";
}

function about(){
		document.getElementById("about").style.display = "block";
		document.getElementById("manage").style.display = "none";
		document.getElementById("about_button").style.backgroundImage = "url(images/about/aboutbutton_on.png)";
		document.getElementById("manage_button").style.backgroundImage = "url(images/about/managebutton_off.png)";
}

function manage(){
		document.getElementById("about").style.display = "none";
		document.getElementById("manage").style.display = "block";
		document.getElementById("about_button").style.backgroundImage = "url(images/about/aboutbutton_off.png)";
		document.getElementById("manage_button").style.backgroundImage = "url(images/about/managebutton_on.png)";
}

function a_hover(){
	if(document.getElementById("about").style.display == "none"){
		document.getElementById("about_button").style.backgroundImage = "url(images/about/aboutbutton_hover.png)";
	}
}

function m_hover(){
	if(document.getElementById("manage").style.display == "none"){
		document.getElementById("manage_button").style.backgroundImage = "url(images/about/managebutton_hover.png)";
	}
}

function a_out(){
	if(document.getElementById("about").style.display == "none"){
		document.getElementById("about_button").style.backgroundImage = "url(images/about/aboutbutton_off.png)";
	}
}

function m_out(){
	if(document.getElementById("manage").style.display == "none"){
		document.getElementById("manage_button").style.backgroundImage = "url(images/about/managebutton_off.png)";
	}
}