function showHideText(id,both)  { 
	 var elm = document.getElementById(id);
	 if (both=="1"){
		  if (elm.style.display=="none"){
			 elm.style.display="inline";
		  }else{
		     elm.style.display="none";
		  }
	 }else{
		 if (elm.style.display=="none"){
			 elm.style.display="inline";
		 }
	 }
 }
 function CheckOtherElement(id)  { 
	 var elm = document.getElementById(id);
	 if (elm.style.display!="none"){
		 elm.style.display="none";
	 }
 }
function CheckSelection(checked_item){
	var elm1 = document.getElementById(conf_item);
	var elm2 = document.getElementById(other_item);
	if (checked_item=='Other'){
		elm2.style.display='inline';
		elm1.style.display='none';
	}else if (checked_item=='Conference'){
		elm2.style.display='none';
		elm1.style.display='inline';
	}else{
		elm2.style.display='none';
		elm1.style.display='none';
	}
}