function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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 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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function printwinopen()
{
 newwin = window.open('','printwin','toolbar=no,menubar=yes,location=no,status=yes,width=640,height=450,screenX=8,left=8,screenY=130,top=130,scrollbars=1,resizable=1');
}

function openPictureWindow(imageType,imageName,imageWidth,imageHeight,alt,posLeft,posTop) {  // v4.01
	newWindow = window.open("","newWindow","width="+imageWidth+",height="+imageHeight+",scrollbars=no,left="+posLeft+",top="+posTop);
	newWindow.document.open();
	newWindow.document.write('<html><title>'+alt+'</title><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()" onClick="self.close()">'); 
	if (imageType == "swf")
	{
	newWindow.document.write('<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0\" width=\"'+imageWidth+'\" height=\"'+imageHeight+'\">');
	newWindow.document.write('<param name=movie value=\"'+imageName+'\"><param name=quality value=high>');
	newWindow.document.write('<embed src=\"'+imageName+'\" quality=high pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"'+imageWidth+'\" height=\"'+imageHeight+'\">');
	newWindow.document.write('</embed></object>');
	}
	else
	{
	newWindow.document.write('<img src=\"'+imageName+'\" width='+imageWidth+' height='+imageHeight+' alt=\" '+alt+' \">');
	}
	newWindow.document.write('</body></html>');
	newWindow.document.close();
	newWindow.focus();
}

function emailwriter(prefix, suffix, domain)
{
address=(prefix + '@' + suffix + '.' + domain)
document.write('<A href="mailto:' + address + '">' + address + '</a>')
}

function untick_proptype_all() {
asearch.proptype_all.checked = false ;
}

function untick_proptype(){
asearch.proptype_chalet.checked = false ;
asearch.proptype_apartment.checked = false ;
asearch.proptype_house.checked = false ;
asearch.proptype_renovation.checked = false ;
asearch.proptype_business.checked = false ;
asearch.proptype_land.checked = false ;
}

function untick_purchtype_all() {
asearch.purchtype_all.checked = false ;
}

function untick_purchtype(){
asearch.purchtype_resale.checked = false ;
asearch.purchtype_offplan.checked = false ;
asearch.purchtype_leaseback.checked = false ;
}

function untick_situation_all() {
asearch.situation_all.checked = false ;
}

function untick_situation(){
asearch.situation_centre.checked = false ;
asearch.situation_outskirts.checked = false ;
asearch.situation_rural.checked = false ;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- please enter an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- please enter only numbers in this field.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- please enter a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('Invalid input:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function valid_number(string,valid){
	if (valid == 'numdots') var digits="0123456789."; // other definitions can be added here in the future
	else var digits="0123456789"; // assumed to be the default valid set
	if (string.length==0) {return false;}
	for (var i=0;i<string.length;i++){if (digits.indexOf(string.substring(i,i+1))==-1){return false;}}
	if (string<0) {return false;}
	return true;
}

function replaceTxt(string,valid,by) {
//  In 'string' any invalid character (see 'digits' in function valid_number for valid set - as defined by variable 'valid')
//  is replaced with 'by'

    var ok = valid_number(string,valid);
	if (!ok)
	{
	var strLength = string.length;
    if (strLength == 0) return string;
    var i = strLength -1;
    if (i == -1) return string;
    var newstr = string.substring(0,i) + by;
    return newstr;
	}
	else return string;
}

function getSize(imgSrc) {
  var myImage = new Image();
  myImage.name = imgSrc;
  myImage.src = imgSrc;
  var w=myImage.width;
  var h=myImage.height;
  // alert('new image: '+myImage.name+'\nwidth:'+w+' height:'+h); // for testing only
  return [w, h];
}

function wait(millisecs) {
    var date = new Date();
    var curDate = null;

    do { curDate = new Date(); }
    while (curDate - date < millisecs);
}


function JBW_swapImage(imgMain, imgSrc) {
    var image = new Image();
    image.src = imgSrc + '?' + (new Date()).getTime();
    image.onload = function() {

        if (this.width / this.height > 1) {
            this.width = 239;
            this.height = (239 / this.width) * this.height;
        }
        else {
            this.height = 239;
            this.width = (239 / this.height) * this.width;
        }

        document.images[imgMain].width = this.width;
        document.images[imgMain].height = this.height;
        document.images[imgMain].src = this.src;
    }
  
  // alert('imgSize[1]: '+imgSize[1]+'  imgSize[0]: '+imgSize[0]); // for testing only

    //if (imgSize[1] > imgSize[0]) 
      //  var scale=239/imgSize[1];
    //else 
      //  var scale=239/imgSize[0];
  
  //document.images[imgMain].width = imgSize[0];
  //document.images[imgMain].height = imgSize[1];

  //document.images[imgMain].innerHtml = document.images[imgMain].innerHtml;
  
  
  // document.images[imgMain].width = imgSize[0]*scale;  // use if images are greater than max allowed width/height
  // document.images[imgMain].height = imgSize[1]*scale; // use if images are greater than max allowed width/height
}

function hideAllLayers_cp() {
MM_showHideLayers('lay_cp0_2','','hide');
MM_showHideLayers('lay_cp1_2','','hide');
MM_showHideLayers('lay_cp2_2','','hide');
MM_showHideLayers('lay_cp3_2','','hide');
}

function submityes() {
	document.deleteentryform.action='update_delete.php?del=yes'
    document.deleteentryform.submit();
}
function submitno() {
	document.deleteentryform.action='update_delete.php?del=no'
    document.deleteentryform.submit();
}

/*
function swapImage(imgE1,imgSrc) {
var imgSize=getSize(imgSrc);
document.images[imgE1].src=imgSrc;
var scale=239/imgSize[1];
document.images[imgE1].height = imgSize[1]*scale;
document.images[imgE1].width = imgSize[0]*scale;
}
*/
