// JavaScript Document

function validate_search(){
	if(document.getElementById('property_type').value == 0 || document.getElementById('property_type').value == ''){
		alert("Select Property Type.");
		document.getElementById('property_type').focus();
		return false;
	}
	else if(document.getElementById('cities').value == 0 || document.getElementById('cities').value == ''){
		alert("Select City.");
		document.getElementById('cities').focus();
		return false;
	}
	else{ document.frm_properties_search.submit(); return true;}
}

function check_boxes(){
//alert(document.getElementById('search_all').checked);
	if(document.getElementById('search_ind').checked == true && document.getElementById('search_agent').checked == true && document.getElementById('search_builder').checked == true   ){
		document.getElementById('search_ind').checked = false;
		document.getElementById('search_agent').checked = false;
		document.getElementById('search_builder').checked = false;
		/*document.getElementById('search_project').checked = false; && document.getElementById('search_project').checked == false&& document.getElementById('search_project').checked == false&& document.getElementById('search_project').checked == true*/
		document.getElementById('search_all').checked = true;
	}
	else
		document.getElementById('search_all').checked = false;
		
	if(document.getElementById('search_ind').checked == false && document.getElementById('search_agent').checked == false && document.getElementById('search_builder').checked == false  ){
		document.getElementById('search_all').checked = true;
	}
	
	if(document.getElementById('search_ind').checked == false && document.getElementById('search_agent').checked == false && document.getElementById('search_builder').checked == false  && document.getElementById('search_all').checked == false ){
		document.getElementById('search_all').checked = true;
	}
}

/////////////////////////////////////////////////////////////////////////
function changePreference(url, str)
{
//alert(url)
var xmlHttp;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    catch (e)
      {
      alert("Your browser does not support AJAX!");
      return false;
      }
    }
  }
  xmlHttp.onreadystatechange=function()
    {
    if(xmlHttp.readyState==4)
      {
      document.getElementById('chpre_typeproperty').innerHTML=xmlHttp.responseText;
      }
	  else document.getElementById('mod_show').innerHTML='<img src="images/load.gif" width="10" height="10" />Loading...';
    }
  xmlHttp.open("GET",url+"?str="+str,true);
  xmlHttp.send(null);
  }