function Clickheretoprint() {
var disp_setting = "toolbar=yes,location=no,directories=yes,menubar=yes,";
disp_setting += "scrollbars=yes,width=650, height=600, left=100, top=25";
var content_vlue = document.getElementById("cont").innerHTML;
var docprint = window.open("", "", disp_setting);
docprint.document.open();
docprint.document.write('友善列印\n');
docprint.document.write("\n");
docprint.document.write("\n");
docprint.document.write("\n");
docprint.document.write('');
docprint.document.write('\n![](\"images/logo.gif\")
');
docprint.document.write(content_vlue);
docprint.document.write('');
docprint.document.close();
docprint.focus();
}