//Submit the search - form
function checkEnter(e){ //e is event object passed from function invocation
	var characterCode;   //literal character code will be stored in this variable
	if(e && e.which){   //if which property of event object is supported (NN4)
		e = e;
		characterCode = e.which; //character code is contained in NN4's which property
	}else{
		e = event;
		characterCode = e.keyCode; //character code is contained in IE's keyCode property
	}
	if(characterCode == 13){ //if generated character code is equal to ascii 13 (if enter key)
		search.submit();
		return false 
	}else{
		return true 
	}
}