<!--
	function chkbx_all() {
	
		try {
			var all = document.getElementById('all');
			var checkboxes = document.getElementsByTagName('input');
			
			var count_checkbox = 0;
			var count_checked_checkbox = 0;
			
			for (i=0;i<checkboxes.length;i++) {

				if( checkboxes[i].type == 'checkbox' && checkboxes[i].id != 'all' ) {
					checkboxes[i].checked = all.checked;
				}
				
			}
			
		} catch(e) {}
	}

	function chkbx() {
	
		try {
			var all = document.getElementById('all');
			var checkboxes = document.getElementsByTagName('input');
			
			var count_checkbox = 0;
			var count_checked_checkbox = 0;
			
			for (i=0;i<checkboxes.length;i++) {

				if( checkboxes[i].type == 'checkbox' && checkboxes[i].id != 'all' ) {
					count_checkbox++;
					
					if(checkboxes[i].checked) {
						count_checked_checkbox++;
					}
				}
				
			}
			
			if(count_checked_checkbox == count_checkbox && count_checkbox > 0) {
				all.checked = true;
			} else {
				all.checked = false;
			}
			
		} catch(e) {}
	}

-->