ajax opens php file

function showTYPE(str) { var xmlhttp1, str; if (str.length==0) { showtype.innerHTML=""; return; } if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp1=new XMLHttpRequest(); //alert("hi"); } else {// code for IE6, IE5 xmlhttp1=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp1.open("GET","type.php?q="+str,true); xmlhttp1.send(); xmlhttp1.onreadystatechange=function() { //document.write(xmlhttp1.responseText); showtype.innerHTML=xmlhttp1.responseText; } }