// JavaScript Document
function pos_bg_site(){
	var height = window.innerHeight;
	var width = window.innerWidth;
	
	if(navigator.appName.indexOf('Microsoft Internet Explorer') >= 0){
		height = document.documentElement.clientHeight;
		width = document.documentElement.clientWidth;
	}
	var site_pos_t = Math.ceil(height/2)-450;
	if(site_pos_t < 0){
		site_pos_t = 0;
	}
	var site_pos_l = Math.ceil(width/2)-575;
	if(site_pos_l < 0){
		site_pos_l = 0;
	}
	var bg_pos = Math.ceil(height/2)-600;
	document.getElementById('body').style.backgroundPosition = 'center '+bg_pos+'px';
	document.getElementById('site_wrapper').style.top = site_pos_t+'px';
	document.getElementById('site_wrapper').style.left = site_pos_l+'px';
	document.getElementById('footer').style.top = (document.getElementById('footer').offsetTop+document.getElementById('content_wrapper').offsetHeight-520)+'px';
	document.getElementById('content_bg').style.height = document.getElementById('content_wrapper').offsetHeight+'px';
}