var checkedImage = new Image();
	checkedImage.src = 'images/checked.gif';
	var uncheckedImage = new Image();
	uncheckedImage.src = 'images/unchecked.gif';

	function toggleRadio(imgObject, radioObject){
		document.images['r1'].src='images/unchecked.gif';
		document.images['r2'].src='images/unchecked.gif';
		document.images['r3'].src='images/unchecked.gif';
		document.images['r4'].src='images/unchecked.gif';

		if(imgObject.src.indexOf('images/unchecked.gif')!=-1){
			imgObject.src='images/checked.gif';
			radioObject.checked=true;
		} else {
			imgObject.src='images/unchecked.gif';
			radioObject.checked=false;
		}
	}

	function toggleRadio5(imgObject, radioObject){
		document.images['r5'].src='images/unchecked.gif';
		document.images['r6'].src='images/unchecked.gif';
		document.images['r7'].src='images/unchecked.gif';
		document.images['r8'].src='images/unchecked.gif';

		if(imgObject.src.indexOf('images/unchecked.gif')!=-1){
			imgObject.src='images/checked.gif';
			radioObject.checked=true;
		} else {
			imgObject.src='images/unchecked.gif';
			radioObject.checked=false;
		}
	}

	function toggleRadio6(imgObject, radioObject){
		document.images['r5'].src='images/unchecked.gif';
		document.images['r6'].src='images/unchecked.gif';
		document.images['r7'].src='images/unchecked.gif';
		document.images['r8'].src='images/unchecked.gif';
		document.images['r9'].src='images/unchecked.gif';
		document.images['r10'].src='images/unchecked.gif';
		document.images['r11'].src='images/unchecked.gif';

		if(imgObject.src.indexOf('images/unchecked.gif')!=-1){
			imgObject.src='images/checked.gif';
			radioObject.checked=true;
		} else {
			imgObject.src='images/unchecked.gif';
			radioObject.checked=false;
		}
	}

	function toggleRadio1(imgObject, radioObject){

		document.images['r5'].src='images/unchecked.gif';
		document.images['r6'].src='images/unchecked.gif';
		document.images['r7'].src='images/unchecked.gif';
		document.images['r8'].src='images/unchecked.gif';
		document.images['r12'].src='images/unchecked.gif';
		document.images['r13'].src='images/unchecked.gif';
		document.images['r14'].src='images/unchecked.gif';
		document.images['r15'].src='images/unchecked.gif';

		if(imgObject.src.indexOf('images/unchecked.gif')!=-1){
			imgObject.src='images/checked.gif';
			radioObject.checked=true;
		} else {
			imgObject.src='images/unchecked.gif';
			radioObject.checked=false;
		}
	}
	function toggleRadio2(imgObject, radioObject){

		document.images['r9'].src='images/unchecked.gif';
		document.images['r10'].src='images/unchecked.gif';
		document.images['r11'].src='images/unchecked.gif';
		document.images['r12'].src='images/unchecked.gif';
		document.images['r13'].src='images/unchecked.gif';
		document.images['r14'].src='images/unchecked.gif';
		document.images['r15'].src='images/unchecked.gif';

		if(imgObject.src.indexOf('images/unchecked.gif')!=-1){
			imgObject.src='images/checked.gif';
			radioObject.checked=true;
		} else {
			imgObject.src='images/unchecked.gif';
			radioObject.checked=false;
		}
	}
	function toggleRadio3(imgObject, radioObject){

		document.images['r5'].src='images/unchecked.gif';
		document.images['r6'].src='images/unchecked.gif';
		document.images['r7'].src='images/unchecked.gif';
		document.images['r8'].src='images/unchecked.gif';
		document.images['r9'].src='images/unchecked.gif';
		document.images['r10'].src='images/unchecked.gif';
		document.images['r11'].src='images/unchecked.gif';
		document.images['r12'].src='images/unchecked.gif';
		document.images['r13'].src='images/unchecked.gif';
		document.images['r14'].src='images/unchecked.gif';
		document.images['r15'].src='images/unchecked.gif';

		if(imgObject.src.indexOf('images/unchecked.gif')!=-1){
			imgObject.src='images/checked.gif';
			radioObject.checked=true;
		} else {
			imgObject.src='images/unchecked.gif';
			radioObject.checked=false;
		}
	}