function chkRegContact()
{

    if($("form#sendForm #industry_id").val() == "n200"){
        alert("Please select Application！");
        $("form#sendForm #industry_id").focus();
        return false;
    }
	if($("form#sendForm #c_name").val() == ""){
        alert("Please enter Name！");
        $("form#sendForm #c_name").focus();
        return false;
    }
	if($("form#sendForm #company").val() == ""){
        alert("Please enter Company Name！");
        $("form#sendForm #company").focus();
        return false;
    }
	if($("form#sendForm #email").val() == ""){
        alert("Please enter E-mail！");
        $("form#sendForm #email").focus();
        return false;
    }else{
		var strEmail=$("form#sendForm #email").val();
		if(!checkEmail(strEmail)){
            alert("E-mail format is incorrect. Please enter again！");
			$("form#sendForm #email").focus();
			return false;
		}
	}
    
	if($("form#sendForm #internat_code").val() != ""){
		var number = $("form#sendForm #internat_code").val();
		if(!checkNumber(number)){	
			alert("Country Code should enter numbers. Please enter again！");
        	$("form#sendForm #internat_code").focus();
			return false;	
		}
	}
    	if($("form#sendForm #tel").val() != ""){
		var number = $("form#sendForm #tel").val();
		if(!checkNumber(number)){	
			alert("Phone Number should enter numbers. Please enter again！");
        	$("form#sendForm #tel").focus();
			return false;	
		}
	}else{
        alert("Please enter Phone Number！");
        $("form#sendForm #tel").focus();
        return false;
    }
    
    
	if($('form#sendForm input[name="demand[]"]:checked').length <= 0){
        alert('Please select "How do you know us?"！');
		$('form#sendForm input[name="demand[]"]')[0].focus();
		return false;
	}	
	
	if($("form#sendForm #content").val() == ""){
        alert("Please enter Questions or Comments！");
        $("form#sendForm #content").focus();
        return false;
    }else{
		if($("form#sendForm #content").val().length > 150){
            alert("Questions or Comments should br under 150 characters！");
			$("form#sendForm #content").focus();
			return false;
		}
	}
	if($("form#sendForm #auth_code").val() == ""){
        alert("Please enter Captcha！");
        $("form#sendForm #auth_code").focus();
        return false;
    }
	
}

//重新取得驗證碼
function reSIImage(){
	var d1 = new Date();
	var when=d1.getTime();
	document.getElementById('siimage').src = "code/securimage_show.php?sid="+when;
}