$(".btn input[type='submit']").click(function(){
var company=$("#company").val().replace("/\s+/g","");
var contact=$("#contact").val().replace("/\s+/g","");
var tel=$("#tel").val().replace("/\s+/g","");
var pattern = /(^0{0,1}1[3|4|5|6|7|8|9][0-9]{9}$)/;
var phone= /^(([0\+]\d{2,3}-)?(0\d{2,3})-)?(\d{7,8})(-(\d{3,}))?$/;
if(company==""|| contact=="" || tel==""){
$(".btn span.red").html("单位,联系人和电话必须填写");
}else if(!(pattern.exec(tel)||phone.test(tel))){
$(".btn span.red").html("您输入的电话号码有误,座机号区号之间请用-分割");
}else{
$(".btn span.red").html("");
}
})