// $Id: common.js,v 1.5 2006/10/03 15:50:25 tom Exp $
// $Log: common.js,v $
// Revision 1.5  2006/10/03 15:50:25  tom
// CVS comments added
//
//

/* Generic Aró site scripts */

// Used to trigger events when the page loads
// see http://simon.incutio.com/archive/2004/05/26/addLoadEvent
function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            oldonload();
            func();
        }
    }
}



// Attaches a javascript action to an object event
// eg: addEvent(window,"load",function(){ alert('hello!'); });
function addEvent( obj, type, fn ) {
   if ( obj.attachEvent ) {
      obj['e'+type+fn] = fn;
      obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
      obj.attachEvent( 'on'+type, obj[type+fn] );
   } else
      obj.addEventListener( type, fn, false );
}
function removeEvent( obj, type, fn ) {
   if ( obj.detachEvent ) {
      obj.detachEvent( 'on'+type, obj[type+fn] );
      obj[type+fn] = null;
   } else
      obj.removeEventListener( type, fn, false );
}



//Opens links with class="newWindow" in... a new window!
function newWindowSetup() {
  if (!document.getElementsByTagName) return false;
  var links = document.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    if (links[i].className.match("newWindow")) {
      links[i].onclick = function() {
        window.open(this.href);
        return false;
      }
    }
  }
}
addLoadEvent(newWindowSetup);



// Parses email addresses to deter spambots, returns a mailto link
function linkEmailSetup() {
  if(!document.getElementsByTagName) return;
  var allElts = document.getElementsByTagName("*");
  if(allElts.length == 0 && document.all) 
    allElts = document.all; //hack for IE5
  for(var i=0; i<allElts.length; i++) {
    var elt = allElts[i];
    var className = elt.className || elt.getAttribute("class") 
      || elt.getAttribute("className");
    if(className && className.match(/\belectronic-mail\b/)
        && elt.firstChild.nodeType == 3) {
      var addr = elt.firstChild.nodeValue;
      addr = addr.replace(/[ \[\{\(\|\/\\]at[ \]\}\)\|\/\\]/i, "@")
        .replace(/[ \[\{\(\|\/\\](dot|period)[ \]\}\)\|\/\\]/gi, ".");
      var lnk = document.createElement("a");
      lnk.setAttribute("href","mailto:"+addr);
      lnk.appendChild(document.createTextNode(addr));
      elt.replaceChild(lnk, elt.firstChild);
    }
  }
}
addLoadEvent(linkEmailSetup);



// Popup window
function soopaPopSetup() {
	var a;
	for (var i = 0; (a = document.links[i]); i++) {
		if (a.target && a.target.indexOf("_soopaPop") == 0) {
			a.onclick = soopaPop;
		}
	}
}
function soopaPop() {
	var a = this.target.split(":");
	var sFeatures = a[1];
	window.open(this.href, a.length > 2 ? a[2] : String((new Date()).getTime()), sFeatures);
	return false;
	alert("hi")
}
addLoadEvent(soopaPopSetup);



// returns control of document element
function g(o) { return document.getElementById(o); }



// shows a div
function openDiv(obj) { g(obj).style.display = ''; }



// hides a div
function closeDiv(obj) { g(obj).style.display = 'none'; }



// toggles a div
function toggleDiv(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
	
}

function externalLinks(){ 

      if(!document.getElementsByTagName) 
         return; 

   var anchors = document.getElementsByTagName("a"); 

      for(var i=0; i<anchors.length; i++){ 
         var anchor = anchors[i]; 

         if (anchor.getAttribute("href") &&  anchor.getAttribute("rel") == "external") 
            anchor.target = "_blank"; 
      }       
} 

window.onload = externalLinks;

function openNewWindow(URLtoOpen, windowName, windowFeatures) { 
  newWindow=window.open(URLtoOpen, windowName, windowFeatures);
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}

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_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+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\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+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}