function show_wm_preview_file(cover_url,title,is_printable,add_url,print_queue_src)
	{	
	var size = getViewportSize();
	size[1] = parseFloat(size[1]) - 40;
	var wm = new windowManager('pop_up_cover_preview','');
	wm.resize_window(830,size[1]);
	
	var pass_pageHeight = parseFloat(parseFloat(size[1]) - 80);

	var html_stuff = "<div align='left' style='background-color:white;width:820px;vertical-align:top;margin-top:5px;'>" +
					  "<div class='preview_title' style='float:left;margin-left:10px;width:720px;'><B>" + title  + "</b></div>" +
					  "<div style='float:right;'><img style='cursor:pointer;' src='img/btn_close.gif' onclick='close_wm_manager();' alt='Close' title='Close Preview'>";
	if(is_printable)
		{
		html_stuff += "<br><img type='image' style='cursor:pointer;margin-top:2px;' border='0' align='absmiddle' src='" + print_queue_src + "' " + 
						" onClick='add_to_print_queue(\"" + title + "\",\"" +
						add_url + "\");' onmouseover='window.status=\"Add To Print Queue\"' title='Add To Print Queue'>";		
		}					  
					  
	html_stuff += "</div>" +
					  "</div><div style='clear:both;'><!--EMPTY--></div><hr><div width='100%' style='clear:both;overflow:hidden;' align='center'>"  + 
					  "<iframe style='overflow:hidden;' src='viewpdf.php?pdfurl=" + cover_url + "&amp;height="+ pass_pageHeight +"' width='820px' align='center' FRAMEBORDER=0 height='"+ parseFloat(pass_pageHeight + 20) + "px'></div>";

	wm.change_html(html_stuff);
	wm.display_window();
	wm.reset_screen();
	wm.resize_window(830,size[1]);
	}

function close_wm_manager()
	{
	document.getElementById('pop_up_cover_preview').style.display = 'none';
	document.getElementById('pop_up_cover_previewscreen' ).style.display = 'none';
	}