function toggle(elementIDList){
	toggleList = elementIDList.split(','); // get id's to loop thru
	for(var tgl = 0; tgl < toggleList.length; tgl++){
		elementToToggle = document.getElementById(toggleList[tgl]).style;
		if(elementToToggle.display=='none' || elementToToggle.visibility=='hidden'){
			elementToToggle.visibility='visible'; // show the element
			elementToToggle.display=''; // show the element
		} // end if
		else {
			elementToToggle.visibility='hidden'; // hide the element
			elementToToggle.display='none'; // hide the element **does not work in safari**
		} // end else
	} // end for
} // end toggle()

function show(s){document.getElementById(s).style.display='';}
function hide(h){document.getElementById(h).style.display='none';}