// 专用于留言模块表单验证

function subclick(){
	var txtTitle=document.getElementById("txtTitle");
	var txtLinkMan=document.getElementById("txtLinkMan");
	var txtTel=document.getElementById("txtTel");
	var txtEmail=document.getElementById("txtEmail");
	var txtAddress=document.getElementById("txtAddress");
	var txtContent=document.getElementById("txtContent");
	var txtValidateCode=document.getElementById("txtValidateCode");
	var flag=true;
	if(txtTitle)
	{
	    if (txtTitle.value==""){			
   		    ShowErrMsg("txtTitle","标题不能为空！");
   		    flag=false;
		    txtTitle.focus();
	    }
	    else
	    {
	        ShowErrMsg("txtTitle","");
	    }
	}
	
	if(txtLinkMan)
	{
	    if (txtLinkMan.value==""){
	        ShowErrMsg("txtLinkMan","联系人不能为空！");
	        if(flag)
	        {
		        txtLinkMan.focus();
		    }
		    flag=false;
	    }
	    else
	    {
	        ShowErrMsg("txtLinkMan","");
	    }
    }
    
    if(txtTel)
	{
	    if (txtTel.value==""){
	        ShowErrMsg("txtTel","联系电话不能为空！");
	        if(flag)
	        {
		        txtTel.focus();
		    }
		    flag=false;
	    }
	    else
	    {
	        ShowErrMsg("txtTel","");
	    }
    }
    
    if(txtEmail)
	{
	    if (txtEmail.value==""){
	        ShowErrMsg("txtEmail","电子邮件不能为空！");
	        if(flag)
	        {
		        txtEmail.focus();
		    }
		    flag=false;
	    }
	    else
	    {
	        ShowErrMsg("txtEmail","");
	    }
    }
    
    if(txtAddress)
	{
	    if (txtAddress.value==""){
	        ShowErrMsg("txtAddress","地址不能为空！");
	        if(flag)
	        {
		        txtAddress.focus();
		    }
		    flag=false;
	    }
	    else
	    {
	        ShowErrMsg("txtAddress","");
	    }
    }
    
    if(txtContent)
	{
	    if (txtContent.value==""){
	        ShowErrMsg("txtContent","内容不能为空！");
	        if(flag)
	        {
		        txtContent.focus();
		    }
		    flag=false;
	    }
	    else
	    {
	        ShowErrMsg("txtContent","");
	    }
    }
    
    if(txtValidateCode)
	{
	    if (txtValidateCode.value==""){
	        ShowErrMsg("txtValidateCode","验证码不能为空！");
	        if(flag)
	        {
		        txtValidateCode.focus();
		    }
		    flag=false;			
	    }
	    else
	    {
	        ShowErrMsg("txtValidateCode","");
	    }
	}
	
	return flag;
}
function ShowErrMsg(str,MsgStr){
    var msgobj=document.getElementById("msg_"+str);
    if(msgobj)
    {
        msgobj.innerHTML=MsgStr;
    }
}