/* validEngineForm Function */
	function validEngineForm(form_id, redirect_url)
	  {
	   tmp="passForm=document.forms['"+form_id+"'];";
	   eval(tmp);

	   // Beginning of Regular Expressions Creating
	   regular_hebrew=/^([^a-zA-Z0-9_]{1,})$/;
	   regular_digits=/^([0-9]{1})$/;
	   regular_email_address=/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	   // End of Regular Expressions Creating
	   
	   // Beginning of D1 Checking
	   temp=passForm.d1.value;
	   if (temp=="")
	      {
		alert("אנא בחר סוג לימודים.");
		passForm.d1.focus();
		return false;
	      }
	   // Beginning of D1 Checking
	   
	   // Beginning of D2 Checking
	   temp=passForm.d2.value;
	   if (temp=="")
	      {
		alert("אנא בחר קטגורית לימודים.");
		passForm.d2.focus();
		return false;
	      }
	   // Beginning of D2 Checking
	   
	   // Beginning of D3 Checking
	   temp=passForm.d3.value;
	   if (temp=="")
	      {
		alert("אנא בחר תחום לימודים.");
		passForm.d3.focus();
		return false;
	      }
	   // Beginning of D3 Checking
	   
	   window.location=redirect_url;
	   return false;
	  }
	  
		function generateD2(form_id, category_id)
		 {
		  tmp="passForm=document.forms['"+form_id+"'];";
		  eval(tmp);

		  /*
		  var selObj = document.getElementById("field1");
		  val = selObj.options[selObj.selectedIndex].value;
		  category_id=val;
		  */
		  
		  xmlHttp=GetXmlHttpObject();
		  if (xmlHttp==null)
		     {
		      alert("Your browser does not support AJAX!");
		      return;
		     }

		  var url="http://www.michlalot.co.il/minisite/engine_categories_2010.php";
		  var params="category_id="+category_id;
		  
		  xmlHttp.open("POST", url, true);
		  //Send the proper header information along with the request
		  xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		  xmlHttp.setRequestHeader("Content-length", params.length);
		  xmlHttp.setRequestHeader("Connection", "close");
		  xmlHttp.onreadystatechange = stateChange;
		  xmlHttp.send(params);

		  selObj = document.getElementById("d2");
		  selObj.options[0].disabled=true;

		  document.getElementById("d2").disabled=false;
		 }
		   
		function stateChange() 
		  { 
		   if (xmlHttp.readyState==4)
		      {
			document.getElementById('d2_area').innerHTML=xmlHttp.responseText;
		      }
		  }
		  
	      function generateD3(form_id, category_id)
		 {
		  tmp="passForm=document.forms['"+form_id+"'];";
		  eval(tmp);

		  /*
		  var selObj = document.getElementById("field1_internal");
		  val = selObj.options[selObj.selectedIndex].value;
		  category_id=val;
		  */

		  xmlHttp=GetXmlHttpObject();
		  if (xmlHttp==null)
		     {
		      alert("Your browser does not support AJAX!");
		      return;
		     }

		  var url="http://www.michlalot.co.il/minisite/engine_links_2010.php";
		  var params="category_id="+category_id;
		  
		  xmlHttp.open("POST", url, true);
		  //Send the proper header information along with the request
		  xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		  xmlHttp.setRequestHeader("Content-length", params.length);
		  xmlHttp.setRequestHeader("Connection", "close");
		  xmlHttp.onreadystatechange = stateChange2;
		  xmlHttp.send(params);

		  selObj = document.getElementById("d3");
		  selObj.options[0].disabled=true;

		  document.getElementById("d3").disabled=false;
		 }
		 
		function stateChange2() 
		  { 
		   if (xmlHttp.readyState==4)
		      {
			document.getElementById('d3_area').innerHTML=xmlHttp.responseText;
		      }
		  }