function CheckForm(){
	if(document.getElementById('InfoFormContent').value == '' || document.getElementById('formMail').value == '' || document.getElementById('formName').value == '' || document.getElementById('formProduct').selectedIndex == 0){
		// 送信不可能
		document.getElementById('InfoFormSubmit').className = 'unsubmittable';
		document.getElementById('InfoFormSubmit').style.cursor = 'default';
		document.getElementById('InfoFormSubmit').disabled = true;
	}else{
		// 送信可能
		document.getElementById('InfoFormSubmit').className = '';
		document.getElementById('InfoFormSubmit').style.cursor = 'pointer';
		document.getElementById('InfoFormSubmit').disabled = false;
	}
}

function TrySubmittion(){
	if(document.getElementById('InfoFormContent').value == '' || document.getElementById('formMail').value == '' || document.getElementById('formName').value == '' || document.getElementById('formProduct').selectedIndex == 0){
		// 送信不可能
		if(isWebkitMobile){
			alert(AlertMsg);
		}
		return false;
	}else{
		// 送信可能
		document.getElementById('InfoFormSubmit').disabled = true;
		return true;
	}
}

function SetForm(){
	if(kitVersion >= 525){
		document.getElementsByTagName('body')[0].className = 'webkit';
	}else if(GeckoVersion >= 1090200){
		document.getElementsByTagName('body')[0].className = 'gecko';
	}
	
	if(!isWebkitMobile){
		document.getElementById('formProduct').onchange = CheckForm;
		document.getElementById('formProduct').onclick = CheckForm;
		document.getElementById('formProduct').onfocus = CheckForm;
		document.getElementById('formProduct').onblur = CheckForm;
		
		document.getElementById('formName').onchange = CheckForm;
		document.getElementById('formName').onkeyup = CheckForm;
		document.getElementById('formMail').onchange = CheckForm;
		document.getElementById('formMail').onkeyup = CheckForm;
		document.getElementById('InfoFormContent').onchange = CheckForm;
		document.getElementById('InfoFormContent').onkeyup = CheckForm;
		CheckForm();
	}
	
	document.getElementById('InfoForm').onsubmit = TrySubmittion;
}