function checkHasLogin (url)
{
	var UserName = GetCookie('UserName');

	//alert(UserName);

	if (UserName == '' || UserName == null)
	{	
		//alert('aa');
		//window.location.href=url;	
		showWindow(url);
	}
	else
	{
		//alert('bb');
		window.location.href=url;
	}
}


document.write("<table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"1\" bgcolor=\"#FFFFFF\">");
document.write("  <tr> ");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"window.location.href=\'\/cn\/services.html\'\">技术支持<\/td>");
document.write("  <\/tr>");
document.write("  <tr> ");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"window.location.href=\'\/cn\/faq.html\'\">常见问题及解答<\/td>");
document.write("  <\/tr>");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"window.location.href=\'\/cn\/tech\/8BitMcu.html\'\">技术专栏<\/td>");
document.write("  <\/tr>");
document.write("  <\/tr>");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onClick=\"window.location.href=\'#none\'\" onMouseOver=\"MM_showHideLayers(\'pcn\',\'\',\'show\');\" onMouseOut=\"MM_showHideLayers(\'pcn\',\'\',\'hide\');\">PCN&EOL");
document.write("<div id=\"pcn\" style=\"position:absolute; width:203px; z-index:111; top: 70px; left: 168px; visibility: hidden;\">");
document.write("<table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"1\" bgcolor=\"#FFFFFF\">");
document.write("  <tr> ");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"checkHasLogin(\'\/cn\/service8051.html\')\">8051<\/td>");
document.write("  <\/tr>");
document.write("  <tr> ");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"checkHasLogin(\'\/cn\/serviceARM.html\')\">ARM<\/td>");
document.write("  <\/tr>");
document.write("  <tr> ");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"checkHasLogin(\'\/cn\/serviceAVR.html\')\">AVR<\/td>");
document.write("  <\/tr>");
document.write("  <tr> ");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"checkHasLogin(\'\/cn\/serviceFLASH.html\')\">FLASH<\/td>");
document.write("  <\/tr>");
document.write("  <tr> ");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"checkHasLogin(\'\/cn\/serviceEEPROM.html\')\">EEPROM<\/td>");
document.write("  <\/tr>");
document.write("  <tr> ");
document.write("    <td height=\"18\" bgcolor=\"E0E6E6\" onMouseOver=\"this.className=\'navigateSubOver\'\" onMouseOut=\"this.className=\'navigateSubOut\'\" onClick=\"checkHasLogin(\'\/cn\/serviceOther.html\')\">Other<\/td>");
document.write("  <\/tr>");
document.write("<\/table>");
document.write("<\/div>");
document.write("<\/td>");
document.write("  <\/tr>");
document.write("<\/table>");