function showUser(str,num,e){
// creating results container for each box - if conainer does not exist
if(!document.getElementById('category_box_'+num)){
	var catAjaxEl = document.createElement('div');
	catAjaxEl.setAttribute('id',   'category_box_'+num);
	catAjaxEl.setAttribute('class',   'category_box');
	document.getElementById('cat_'+num).appendChild(catAjaxEl);
}

var unicode=e.keyCode;
if(unicode==40||unicode==39||unicode==38||unicode==37||unicode==13){/*do nothing*/}else{
if (str=="")  {
  document.getElementById('category_box_'+num).innerHTML='';
  return;
} 
if (window.XMLHttpRequest)  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
}else{// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}

xmlhttp.onreadystatechange=function() {
  if (xmlhttp.readyState==4 && xmlhttp.status==200) {
	document.getElementById('category_box_'+num).style.display='';
    document.getElementById('category_box_'+num).innerHTML=xmlhttp.responseText;
  }else{
	// if no results - immediatley making hidden value as 'x' - would change once user chooses a category
	document.getElementById('category_hid_'+num).value='x'; // immediatley making hidden value as 'x' - would change once user chooses a category
	// global variable in drop_menu.js
	next=0; // next element
	prev=0; // previous element
	curr=0;	// current element
  }
}
xmlhttp.open("GET","http://www.yellowleaf.co.uk/members/ajax/ajax_product.php?hint="+str+"&num="+num,true);
xmlhttp.send();
}
}

function inputStrForm(str,num){
document.getElementById('category_box_'+num).style.display='none';
document.getElementById("category_"+num).value=str;
}