function pdf_start() {
	var pdf_viewer=document.getElementById('pdfviewer');
	
	pdf_viewer.width=	get_view_width()-32;
	pdf_viewer.height=	get_view_height()-32;
}

function get_view_width() {
	if (window.innerWidth!=window.undefined) return window.innerWidth;
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth;
	if (document.body) return document.body.clientWidth;
	return window.undefined;
}

function get_view_height() {
	if (window.innerHeight!=window.undefined) return window.innerHeight;
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
	if (document.body) return document.body.clientHeight;
	return window.undefined;
}