Try the following format:
aj.js
var paints, parameters, search7, colorIT;
colorIT = function() {
if ( search7.readyState === 4 ) {
document.getElementById("textBack").value = search7.responseText;
document.getElementById("divBack").style.backgroundColor = search7.responseText;
}
};
function getXmlHttpRequestObject() {
search7 = null;
paints = escape( document.getElementById("prints").value );
parameters = "paints=" + paints;
if ( window.XMLHttpRequest ) {
search7 = new XMLHttpRequest();
} else if ( window.ActiveXObject ) {
try {
search7 = new ActiveXObject("Microsoft.XMLHTTP");
} catch( e ) {
search7 = new ActiveXObject("Msxml2.XMLHTTP");
}
}
if ( search7 !== null ) {
search7 = ( search7.overrideMimeType ) ? search7.overrideMimeType("text/xml") : search7;
search7 = ( search7.setRequestHeader ) ? search7.setRequestHeader("Content-Type", "application/x-www-form-urlencoded") : search7;
search7.onreadystatechange = colorIT;
search7.open("POST", "aj.ph", true);
search7.send( parameters );
} else {
alert("\nYour browser does not support AJAX Request!");
}
}
Let me know, if you're still getting the same issue...