var topImage
var mainImage
var bottomImage

function centerHomePage(){
	topImage = document.getElementById('topNavImage')
	mainImage = document.getElementById('homeImage')
	bottomImage = document.getElementById('bottomNavImage')
	
	topImage.style.top = Math.round((document.documentElement.clientHeight/6)-(topImage.style.height/6)+document.documentElement.scrollTop)+'px';
	topImage.style.left = Math.round((document.documentElement.clientWidth/2)-(topImage.style.width/2))+"px";
	
	mainImage.style.top = Math.round((document.documentElement.clientHeight/2)-(mainImage.style.height/2)+document.documentElement.scrollTop)+'px';
	mainImage.style.left = Math.round((document.documentElement.clientWidth/2)-(mainImage.style.width/2))+"px";
	
	bottomImage.style.top = Math.round((document.documentElement.clientHeight/2)-(bottomImage.style.height/2)+document.documentElement.scrollTop)+'px';
	bottomImage.style.left = Math.round((document.documentElement.clientWidth/2)-(bottomImage.style.width/2))+"px";
}