function changefldTXTcol($col){
	var searchfld = document.getElementById('search_fld');
	searchfld.style.color = $col;
}

//clear field
function clearTXTaddCol(field){

    if (field.defaultValue == field.value)
	{
		 field.value = '';	
		 changefldTXTcol('#000000');
	}
    else if (field.value == '')
	{
		field.value = field.defaultValue;
		changefldTXTcol('#bdbdbd');
	} 

}


//show quantity

function showQuantity(str)
{
if (str=="")
  {
  document.getElementById("txtHint").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("txtHint").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","getquantity.php?q="+str,true);
xmlhttp.send();
}