/*mainmenu script*/
function mOver() {
	document.getElementById('main_visual').style.backgroundImage="url(images/main/windows_home.jpg)";
}

/*each menu script*/
function mOver1() {
	document.getElementById('main_visual').style.backgroundImage="url(images/main/windows_fx.jpg)";
	document.getElementById('main_visual').style.zIndex = 1;
}
function mOver2() {
	document.getElementById('main_visual').style.backgroundImage="url(images/main/windows_mac.jpg)";
	document.getElementById('main_visual').style.zIndex = 1;
}

function mOver3() {
	document.getElementById('main_visual').style.backgroundImage="url(images/main/windows_pc.jpg)";
	document.getElementById('main_visual').style.zIndex = 1;
}
function mOver4() {
	document.getElementById('main_visual').style.backgroundImage="url(images/main/windows_out.jpg)";
	document.getElementById('main_visual').style.zIndex = 1;
}

function mOver5() {
	document.getElementById('main_visual').style.backgroundImage="url(/images/main/windows_interview.jpg)";
	document.getElementById('main_visual').style.zIndex = 1;
}

function mOut1() {
	document.getElementById('main_visual').style.zIndex = 0;
}

function mOut2() {
	document.getElementById('main_visual').style.zIndex = 0;
}

function mOut3() {
	document.getElementById('main_visual').style.zIndex = 0;
}

function mOut4() {
	document.getElementById('main_visual').style.zIndex = 0;
}

function mOut5() {
	document.getElementById('main_visual').style.zIndex = 0;
}