if (window.innerWidth && window.innerWidth <= 480) {
	// iPhone
	$(document).ready(function(){
		$('#header_desktop').remove();	
		$('#hr_desktop').remove();

/*		
		$('#td_aviation').attr("height","150px");
		$('#td_building').attr("height","150px");
*/

/* 
does not work
		$('#img_aviation').attr("height","70px");
		$('#img_aviation').attr("width","140px");
*/

/*
does not work
		$('#img_building').attr("height","90px");
		$('#img_building').attr("width","140px");
*/

	});
} else {
	// all others
	$(document).ready(function(){
	
		// remove iPhone header
		$('#header_iphone').remove();

		// initialize others header
		var strHeaderHtml = "<TD colspan='2'>";
		strHeaderHtml += "<IMG src='www/logo.png' width='70' height='64' border='0'>";
		strHeaderHtml += "<IMG src='company-name.png' width='480' height='60' border='0'>";
		strHeaderHtml += "</TD>";
      strHeaderHtml += "<TD align='right'>";
	   strHeaderHtml += "<A href='www/about.htm'><IMG src='www/about.png' width='35' height='45' border='0' alt='About'></A>";
      //strHeaderHtml += "<A href='index.html'><IMG src='www/home3.png' border='0' width='35' height='45'></A>";
	   //strHeaderHtml += "<A href='www/contact.htm'><IMG src='www/email3.png' width='35' height='45' border='0' alt='Contact'></A>";
      strHeaderHtml += "</TD>";
		$('#header_desktop_row').html(strHeaderHtml);
	});
}