function loadswf(swfile) { 
    var myElement = document.getElementById("swfcontainer");
    var content = "<object width='620' height='720' bgcolor='#FFFFFF'>";
			  content += "<param name='movie' value='zviewer.swf' />";
				content += "<param name='flashvars' value='doc_url="+swfile+"' />";
				content += "<param name='wmode' value='transparent' />";
				content += "<param name='scale' value='noscale' />";
				content += "<param name='menu' value='noscale' />";
				content += "<param name='bgcolor' value='#efefef' />";
				content += "<embed src='zviewer.swf' flashvars='doc_url="+swfile+"' scale='noscale' width='620' height='720' allowFullScreen='true' wmode='transparent' bgcolor='#FFFFFF' type='application/x-shockwave-flash' />";
				content += "</object>";
    myElement.innerHTML=content;
   }