var coalition_submited = false;
function coalition_SubmitCheck(frm)
{		
	if (!coalition_submited)
	{
		var Valid=true;
		if( ""==trimString(frm.txtPhone.value) )
		{
			$('PhoneErrMsg').innerText="请填写电话！";
			frm.txtPhone.focus();
			Valid= false;
		}
		else if( frm.txtPhone.value.length >20 )
		{
			$('PhoneErrMsg').innerText="电话的长度不可以大于20个字符！";
			frm.txtPhone.focus();
			Valid = false;
		}
		else
		{
			$('PhoneErrMsg').innerText="";
		}
		
		if( ""==trimString(frm.reside_site.value) )
		{
			$('AreaErrMsg').innerText="请选择您所在地区！";
			Valid= false;
		}
		else
		{
			$('AreaErrMsg').innerText="";
		}
		
		if( ""==trimString(frm.txtName.value) )
		{
			$('NameErrMsg').innerText="姓名不能为空！";
			frm.txtName.focus();
			Valid = false;
		}			
		else if( frm.txtName.value.length >20 )
		{
			$('NameErrMsg').innerText="姓名的长度不可以大于20个字符！";
			frm.txtName.focus();
			Valid = false;
		}
		else
		{
			$('NameErrMsg').innerText="";
		}
		
		if(Valid)
		{
			coalition_submited = true;
			$('event_submit').disabled = true;
		}
		return Valid;
	}
	else
	{
		alert('请勿重复提交申请求');
		return false;
	}
}