function createHeader(){

	var _body = document.getElementsByTagName('body') [0];
	_body.style.paddingTop = "40px";
	_body.style.paddingLeft = "0px";
	_body.style.paddingBottom = "0px";
	_body.style.paddingRight = "0px";
	_body.style.margin = "0px";
	_body.style.backgroundPosition = "center 40px";
	
	var _div = document.createElement('div');
	_div.style.position = "absolute";
	_div.style.top = "0";
	_div.style.left = "0";
	_div.style.width = "100%";
	_div.style.color = "#ffffff";
	_div.style.backgroundColor = "#000000";
	_div.style.paddingTop = "0px";
	_div.style.paddingLeft = "0px";
	_div.style.paddingRight = "0px";
	_div.style.paddingBottom = "0px";
	
	var _logo = document.createElement('img');
	_logo.setAttribute('src', "http://www.1optusbusiness.com.au/ob_header/img/optus_business.gif");
	_logo.style.paddingLeft = "13px";
	_logo.style.paddingTop = "11px";
	_logo.style.paddingBottom = "11px";
	_logo.style.paddingRight = "0px";
	
	_div.appendChild(_logo);
	
	var _buttonLink = document.createElement('a');
	_buttonLink.setAttribute('href', "http://www.1optusbusiness.com.au");
	
	var _button = document.createElement('img');
	if(site == "OB"){
		_button.setAttribute('src', "http://www.1optusbusiness.com.au/ob_header/img/smb_button.gif");
	} else if(site == "SMB"){
		_button.setAttribute('src', "http://www.1optusbusiness.com.au/ob_header/img/ob_button.gif");
	}
	
	_button.style.position = "absolute";
	_button.style.top = "10px";
	_button.style.right = "13px";
	_button.style.border = "0px";
	_buttonLink.appendChild(_button);
	_div.appendChild(_buttonLink);
	
	_body.insertBefore(_div, _body.firstChild);

}

window.onload = createHeader;