function preloadNav()
{

//This set is for the rollovers

	if (document.images)
	{
		sspage1on = new Image();
		sspage1on.src = "images/nav_homesearch_on.gif";

		sspage1off = new Image();
		sspage1off.src = "images/nav_homesearch_off.gif";
		
		sspage2on = new Image();
		sspage2on.src = "images/nav_agentsearch_on.gif";

		sspage2off = new Image();
		sspage2off.src = "images/nav_agentsearch_off.gif";
		
	}
	return true;
}

function imgOn(imgName){
		if(document.images){
			document[imgName].src = eval(imgName + "on.src");
			}
}

function imgOff(imgName){
		if(document.images){
			document[imgName].src = eval(imgName + "off.src");
			}
}

//This function is for the listing detail page pop up windows
function MM_openBrWindow(theURL,winName,features) { file://v1.2
  window.open(theURL,winName,features);
}

		
function validate(formnum)
		{ 
		 document.forms[formnum].Submit.disabled = true;
		 
		 if(IsEmpty(document.forms[formnum].cusname))
		 {
		  alert("Please enter your name.");
		  document.forms[formnum].Submit.disabled = false;
		  return false;
		 }
		 
		  if(IsEmpty(document.forms[formnum].cusemail))
		 {
		  alert("Please enter your email address.");
		  document.forms[formnum].Submit.disabled = false;
		  return false;
		 }
		 
		 if(IsEmpty(document.forms[formnum].friendsname))
		 {
		  alert("Please enter the name of your friend.");
		  document.forms[formnum].Submit.disabled = false;
		  return false;
		 }
		 
		  if(IsEmpty(document.forms[formnum].friendsemail))
		 {
		  alert("Please enter the email of your friend.");
		  document.forms[formnum].Submit.disabled = false;
		  return false;
		 }
		 
		 document.forms[formnum].submit();
		 return true;
		}
		 
		function IsEmpty(formField)
		{
		 bEmpty = true;
		 if ( formField.value.length > 0 )
		  bEmpty = false;
		 return bEmpty;
		}