// JavaScript Document
<!--
// Adds event to window.onload without overwriting currently assigned onload functions
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      func();
      if (oldonload) {
        oldonload();
      }
    }
  }
}


// Stops the Enter/eturn key from submitting a form
//	<input type="text" name="search" size="40" onkeydown="return blockEnter(event)" />
function blockCR(evt) {
	var evt  = (evt) ? evt : ((event) ? event : null);
    var node = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);

    if ((evt.keyCode == 13) && (node.type=="text")) {return false;}
}

// Simulates pressing submit button, ensures all events are triggered
function doSubmit() { // v1.0
	document.form1.onsubmit();
	document.form1.submit();
}

function doPerPageChange(){  // v1.0
	document.form1.action = modURL('pp',document.form1.perPage.value);
	document.form1.submit();
	//doSubmit();
	return true;
}

function doSetForm(town,keywords){  // v1.0
	document.searchfrm.town.value = town;
	document.searchfrm.keywords.value = keywords;
	return true;
}

function maxWidthIE() {
	var agt=navigator.userAgent.toLowerCase();
	var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	if (is_ie == true) {
		if(document.getElementsByTagName) {
			window.onresize = new Function("window.location.reload()")
			var divs = document.getElementsByTagName("div");
			for (var i=0; i<divs.length; i++) {
				var div = divs[i];
				if (div.getAttribute("id").substring(0,2) == "ie") {
					var maxPix = div.getAttribute("id").substring(2,4) * 16;
					var maxWidth = div.getAttribute("id").substring(2,4)
					var width;
					if (document.body.clientWidth > (maxPix/12) * parseInt(document.body.currentStyle.fontSize)) {
						width = maxWidth + "em";
					} else {
						width = "auto";
					}
					div.style.width = width;
				}
			}
		}
	}
}

// Modify the URL paramaeter with a new value, add parameter if not present
// Emulates the PHP modURL function
function modURL(param,value){ // v1.0
	var $_GET = {};
	var found = false;
	var qry_str = location.search.substring(1);
	var url_array = location.href.split("?");
	var sep = '';
	var $k = 0;
	var $i = 0;

	// Extract parameters
	do {
   		$_GET[qry_str.split("=")[0].replace(/&/, "")] = qry_str.split("=")[1].split(/&|$/)[0];
   		qry_str = qry_str.split(qry_str.split("=")[1].split(/&|$/)[0])[1];
   		$k ++;
	} while($k < (location.search.split("=").length - 1));

	// Set new value in specified parameter
	for(key in $_GET){
		if(key == param){
			found = true;
			$_GET[key] = value;
		}
	}
	// Add new parameter if not found
	if(!found){$_GET[param] = value}
	// Form new URL
	for(key in $_GET){
		if($i == 0){sep = '?';}else{sep = '&';}
		url_array[0] = url_array[0] + sep + key + '=' + $_GET[key];
		$i++;
	}
	return url_array[0];
}


// Dreamweaver routines
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) { //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_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}
//-->