function sCheck(target) {
	if(target.src == sc_img + 'unchecked.gif') {
		target.src = sc_img + 'checked.gif';
		target.nextSibling.value = "1";
	}
	else {
		target.src = sc_img + 'unchecked.gif';
		target.nextSibling.value = "";
	}
}