// toggle visibility 

function toggle( targetId,itemNo ){
	
  if (document.getElementById){
	  
	  for ( var i=1; i<=itemNo; i++){
  		var target = document.getElementById( targetId + i );
		
  			if (target.style.display == "none"){
  				target.style.display = "";
  			} else {
  				target.style.display = "none";
  			}
	}
  }
}

function ProperToggle(id){
	if (document.getElementById){
		
		var target = document.getElementById(id);
											 
		if (target.style.display == "none"){
  			target.style.display = "";
  		} else {
  			target.style.display = "none";
  		}
	}
}