function swap_content( span ) {
	displayType = ( document.getElementById( span ).style.display == 'none' ) ? '' : 'none';
	document.getElementById( span ).style.display = displayType;
	}
function swap_content_off( span ) {
	try {
	document.getElementById( span ).style.display = 'none';
	} catch (e) {}
	}
function swap_content_on( span ) {
	try {
	document.getElementById( span ).style.display = '';
	} catch (e) {}
	}

var newWindow
function popUp(template,properties) {
	newWindow = window.open(template,"",properties);	
}

function ALLChoice(field, i) {
  var checkcount = 0;
  var loop;
  for (loop = 1; loop < field.length; loop++){
    if (i == 0){
      	field[loop].checked = field[0].checked;
    	}
    else{
     	if (field[loop].checked){
        	checkcount++;
      	}
  		field[0].checked = (checkcount == field.length-1);
    	}
  	}
}