// JavaScript Document
var inputs;
var imgFalse = 'images/ch_false.jpg';
var imgTrue = 'images/ch_true.jpg';
//var imgFalse2 = 'images/ch_false_2.jpg';
//var imgTrue2 = 'images/ch_true_2.jpg';
function init() {
	replaceChecks();
}
function replaceChecks() {
	inputs = document.getElementsByTagName('input');
	for(var i=0; i < inputs.length; i++) {
		if(inputs[i].getAttribute('type') == 'checkbox') {			
			var img = document.createElement('img');	
			img.style.width = '13px';
			img.style.height = '13px';
			img.style.border = '0';
			if(inputs[i].checked) 
			{
				img.src = imgTrue;
			} 
			else 
			{
					img.src = imgFalse;
			}
			img.id = 'checkImage'+i;
			img.onclick = new Function('checkChange('+i+')');
			inputs[i].parentNode.insertBefore(img, inputs[i]);		
			inputs[i].style.display='none';
		}				
	}
}
function checkChange(i) {	
	if (inputs[i].checked) 
	{
		inputs[i].checked = '';
		document.getElementById('checkImage'+i).src=imgFalse;
	} 
	else 
	{
		inputs[i].checked = 'checked';
		document.getElementById('checkImage'+i).src=imgTrue;
	}
	document.getElementById('sent').value = 'days';
	document.getElementById('form_date').submit();	
}