if(debug){
	document.write ("<p>\n");
	document.write ("window.innerWidth:"+window.innerWidth+"<br />\n");
	document.write ("document.documentElement.clientWidth:"+document.documentElement.clientWidth+"<br />\n");
	document.write ("document.body.clientWidth:"+document.body.clientWidth+"<br />\n");
	document.write ("document.getElementsByTagName('body')[0].clientWidth:"+document.getElementsByTagName('body')[0].clientWidth+"<br />\n");
	document.write ("document.body.offsetWidth:"+document.body.offsetWidth+"<br />\n");
	document.write (vpW+"x"+vpH+"\n");
	document.write ("</p>\n");
}