function start(){
	dom.event.addEventListener(window,'load',initDocument);
}

function initDocument(){
	var privacy_chk = document.getElementById('privacy_chk');
	if(privacy_chk.checked==false){disable_form();}
	dom.event.addEventListener(privacy_chk,'click',change_fg);
}

function disable_form(){
	var name1 = document.getElementById('name1');
	name1.readOnly=true;
	name1.style.backgroundColor="#DCDCDC";
	var name2 = document.getElementById('name2');
	name2.readOnly=true;
	name2.style.backgroundColor="#DCDCDC";
	var cp_name = document.getElementById('cp_name');
	cp_name.readOnly=true;
	cp_name.style.backgroundColor="#DCDCDC";
	var div_name = document.getElementById('div_name');
	div_name.readOnly=true;
	div_name.style.backgroundColor="#DCDCDC";
	var class_name = document.getElementById('class_name');
	class_name.readOnly=true;
	class_name.style.backgroundColor="#DCDCDC";
	var phone1 = document.getElementById('phone1');
	phone1.readOnly=true;
	phone1.style.backgroundColor="#DCDCDC";	
	var phone2 = document.getElementById('phone2');
	phone2.readOnly=true;
	phone2.style.backgroundColor="#DCDCDC";	
	var phone3 = document.getElementById('phone3');
	phone3.readOnly=true;
	phone3.style.backgroundColor="#DCDCDC";		
	var umail_a = document.getElementById('umail_a');
	umail_a.readOnly=true;
	umail_a.style.backgroundColor="#DCDCDC";	
	var umail_c = document.getElementById('umail_c');
	umail_c.readOnly=true;
	umail_c.style.backgroundColor="#DCDCDC";
	var subject = document.getElementById('subject');
	subject.readOnly=true;
	subject.style.backgroundColor="#DCDCDC";
	var comment = document.getElementById('comment');
	comment.readOnly=true;
	comment.style.backgroundColor="#DCDCDC";	

}
function enable_form(){	
	var name1 = document.getElementById('name1');
	name1.readOnly=false;
	name1.style.backgroundColor="#FFFFFF";
	var name2 = document.getElementById('name2');
	name2.readOnly=false;
	name2.style.backgroundColor="#FFFFFF";
	var cp_name = document.getElementById('cp_name');
	cp_name.readOnly=false;
	cp_name.style.backgroundColor="#FFFFFF";
	var div_name = document.getElementById('div_name');
	div_name.readOnly=false;
	div_name.style.backgroundColor="#FFFFFF";
	var class_name = document.getElementById('class_name');
	class_name.readOnly=false;
	class_name.style.backgroundColor="#FFFFFF";
	var phone1 = document.getElementById('phone1');
	phone1.readOnly=false;
	phone1.style.backgroundColor="#FFFFFF";	
	var phone2 = document.getElementById('phone2');
	phone2.readOnly=false;
	phone2.style.backgroundColor="#FFFFFF";	
	var phone3 = document.getElementById('phone3');
	phone3.readOnly=false;
	phone3.style.backgroundColor="#FFFFFF";		
	var umail_a = document.getElementById('umail_a');
	umail_a.readOnly=false;
	umail_a.style.backgroundColor="#FFFFFF";	
	var umail_c = document.getElementById('umail_c');
	umail_c.readOnly=false;
	umail_c.style.backgroundColor="#FFFFFF";
	var subject = document.getElementById('subject');
	subject.readOnly=false;
	subject.style.backgroundColor="#FFFFFF";
	var comment = document.getElementById('comment');
	comment.readOnly=false;	
	comment.style.backgroundColor="#FFFFFF";
}
function change_fg(eve){
	var tagetelm = dom.event.target(eve);
	if(tagetelm.checked==true){
		enable_form();
	}else{
		disable_form();
	}	

}

function submitForm(){
	submit();	
}