// JavaScript Document

function getCaseStudyList() {
	
	var xmlhttp;
	if (window.XMLHttpRequest)
	  {
	  // code for IE7+, Firefox, Chrome, Opera, Safari
	  xmlhttp=new XMLHttpRequest();
	  }
	else if (window.ActiveXObject)
	  {
	  // code for IE6, IE5
	  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	else
	  {
	  alert("Your browser does not support XMLHTTP!");
	  }
	
	xmlhttp.onreadystatechange=function()
	{
	if(xmlhttp.readyState==4)
	  {

		document.getElementById("casestudylist").innerHTML = xmlhttp.responseText;	
		  
	  }
	}
	
	var secID = document.getElementById("sector_select").selectedIndex;
	var sel = document.getElementById("sector_select").options[secID].value;
	
	secID = document.getElementById("tags_select").selectedIndex;
	var tag = document.getElementById("tags_select").options[secID].value;
	xmlhttp.open("GET","/inc/getcasestudies.php?filter=" + document.getElementById("filtertext").value + "&sector=" + sel + "&tag=" + tag, true);
	xmlhttp.send(null);
	
}