//------------------------ Start: Replaces Check Box with image ---------------------------------------

//global variables that can be used by ALL the function son this page.
var inputs;
var imgFalse = 'images/mytask_taskundone.gif';
var imgTrue = 'images/mytask_taskdone.gif';

//this function runs when the page is loaded, put all your other onload stuff in here too.
function init() {
	//MM_preloadImages ("/images/mytask_taskundone.gif");
	replaceChecks();

}

function replaceChecks() {
	
	//get all the input fields on the page
	inputs = document.getElementsByTagName('input');

	//cycle trough the input fields
	for(var i=0; i < inputs.length; i++) {

		//check if the input is a checkbox
		if((inputs[i].getAttribute('type') == 'checkbox')&& (inputs[i].getAttribute('id') == 'replacechecks')) {
			//create a new image
			var img = document.createElement('img');
			
			//check if the checkbox is checked
			if(inputs[i].checked) {
				img.src = imgTrue;
			} else {
				img.src = imgFalse;
			}

			//set image ID and onclick action
			img.id = 'checkImage'+i;
			img.title = document.getElementById("changeStatus").value;
			img.style.cursor = 'hand';			
			//set image 
			img.onclick = new Function('checkChange('+i+')');
			//place image in front of the checkbox
			inputs[i].parentNode.insertBefore(img, inputs[i]);
			
			//hide the checkbox
			inputs[i].style.display='none';
		}
	}
}

//change the checkbox status and the replacement image
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;
	}
	validateCheckbox(inputs[i]);
}

function validateCheckbox(mycheck)
{
	document.form1.remcheckid.value = mycheck.value;
	if(mycheck.checked)
	{
		document.form1.ischeck.value="Yes";
	}
	else
	{
		document.form1.ischeck.value="No";
	}
	document.form1.submit();
}
window.onload = init;


//------------------------ End: Replaces Check Box with image ---------------------------------------