function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
  var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
  if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){
   		document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function submitform() {
    document.newsletterSignUp.submit();}

function check_squarefeet(obj) {
	if (parseInt(obj.search_squareFeet_2.value) < parseInt(obj.search_squareFeet_1.value)) {
		alert ("the maximum squarefeet must be equal to or greater than minimum square feet");
		return 0;}
	if (parseInt(obj.search_sublisting_rate_2.value) < parseInt(obj.search_sublisting_rate_1.value)) {
		alert ("the maximum rate per squarefoot must be equal to or greater than minimum rate per square foot");
		return 0;}	
obj.submit();	
}

function enableSubmarket(obj) {
	if (obj.value == 1) {
	document.getElementById('search_form').listing_submarket_id.disabled=false;} 
	else {
	document.getElementById('search_form').listing_submarket_id.disabled=true;}
}

function enableScat_ID(obj) {
	if (obj.value == 1) {
	document.getElementById('search_form').scat_id.disabled=false;} 
	else {
	document.getElementById('search_form').scat_id.disabled=true;}
}

function changeFocus() {
	document.search_form.listing_submarket_id.focus();}

function validateFormNews(form) {
  // validate Email field
  // begin by stripping leading/trailing blanks
  form.newsletter_email.value = stripLeadingTrailingBlanks(form.newsletter_email.value);
  if (!isEmail(form.newsletter_email.value)) {
    alert("Please enter a valid email address: ?????@?????.???");
    form.newsletter_email.focus();
    return false;}
}