// JavaScript Document

function SwitchHomeTo1(){
	document.getElementById('home-image1').style.display = 'block';
	document.getElementById('home-image2').style.display = 'none';
	document.getElementById('home-image3').style.display = 'none';
	document.getElementById('home-image4').style.display = 'none';
}
function SwitchHomeTo2(){
	document.getElementById('home-image1').style.display = 'none';
	document.getElementById('home-image2').style.display = 'block';
	document.getElementById('home-image3').style.display = 'none';
	document.getElementById('home-image4').style.display = 'none';
}
function SwitchHomeTo3(){
	document.getElementById('home-image1').style.display = 'none';
	document.getElementById('home-image2').style.display = 'none';
	document.getElementById('home-image3').style.display = 'block';
	document.getElementById('home-image4').style.display = 'none';
}
function SwitchHomeTo4(){
	document.getElementById('home-image1').style.display = 'none';
	document.getElementById('home-image2').style.display = 'none';
	document.getElementById('home-image3').style.display = 'none';
	document.getElementById('home-image4').style.display = 'block';
}


function SwitchCapTo1(){
	document.getElementById('capability1').style.display = 'inline';
	document.getElementById('capability2').style.display = 'none';
	document.getElementById('capability3').style.display = 'none';
	document.getElementById('footer').style.marginTop = '0px';
}
function SwitchCapTo2(){
	document.getElementById('capability1').style.display = 'none';
	document.getElementById('capability2').style.display = 'inline';
	document.getElementById('capability3').style.display = 'none';
	document.getElementById('footer').style.marginTop = '470px';
}
function SwitchCapTo3(){
	document.getElementById('capability1').style.display = 'none';
	document.getElementById('capability2').style.display = 'none';
	document.getElementById('capability3').style.display = 'inline';
	document.getElementById('footer').style.marginTop = '0px';
}

function SetHomeImage(){
	var mess = new Array('home-image1','home-image2','home-image3','home-image4');
	var max = mess.length;
	var num = Math.floor((Math.random() * max));
	
	if (mess[num] == 'home-image2'){
		SwitchHomeTo2();	
	}
	else if (mess[num] == 'home-image3'){
		SwitchHomeTo3();	
	}
	else if (mess[num] == 'home-image4'){
		SwitchHomeTo4();	
	}
	else {
		SwitchHomeTo1();		
	}
}