var calque;

function getCouleur(layer, input)
{
	 if(window.XMLHttpRequest)  http = new XMLHttpRequest();
  else
    if (window.ActiveXObject)  http = new ActiveXObject("Microsoft.XMLHTTP"); 
	
	if (document.getElementById(input).value.length > 0)
	{
		calque = layer
		var reference = document.getElementById(input).value;
		http.open("GET", "personnalisation/getcouleur.php?ref=" + reference + "&nom=" + calque, true);
		http.onreadystatechange = handleHttpResponse;
		http.send(null);
	}
}


function handleHttpResponse()
{
	if (http.readyState == 4)
	{
		results = http.responseText;
		document.getElementById(calque).innerHTML = results;
	}
}