/**
* common library of javascript functions
*/

function addEvent(obj, evType, fn) {
    if (obj.addEventListener) {
		obj.addEventListener(evType, fn, true);
		return true;
    } else if (obj.attachEvent)  {
        var r = obj.attachEvent("on" + evType, fn);
        return r;
    } else {
        return false;
    }
}

/*
* fix alpha pngs on a page (turn on transparency for IE)
*/

//Commenting this out. Use the custom tag for applying IE transparency filter.

function fixAlphaPng(str) {
    var src     = '';
    var ua      = '';
    var width   = '';
    var height  = '';
    var rpng    = new RegExp('\.(png)$');
    var rmsie   = new RegExp('msie');
    var rmac    = new RegExp('mac');

    for (var i = 0; i < document.getElementsByTagName('IMG').length; i++) {
        src     = document.getElementsByTagName('IMG')[i].getAttribute('src');
        ua      = navigator.userAgent.toLowerCase();
        width   = document.getElementsByTagName('IMG')[i].getAttribute('width');
        height  = document.getElementsByTagName('IMG')[i].getAttribute('height');

        if (src.match(rpng) && ua.match(rmsie) && !ua.match(rmac)) {
        	document.getElementsByTagName('IMG')[i].setAttribute('src', str+'images/spacer.gif');
            document.getElementsByTagName('IMG')[i].style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=scale)';
          	document.getElementsByTagName('IMG')[i].style.width = width + 'px';
        	document.getElementsByTagName('IMG')[i].style.height = height + 'px';            
        }
    }
}

//addEvent(window, 'load', function(){fixAlphaPng("/Hooah/");});
//addEvent(window, 'load', alert('test'));


/*
* fix alpha pngs on a page (turn on transparency for IE)
*/

//Commenting this out. Use the custom tag for applying IE transparency filter.

function fixAlphaPngById(imageId) {
    var src     = '';
    var ua      = '';
    var width   = '';
    var height  = '';
    var rpng    = new RegExp('\.(png)$');
    var rmsie   = new RegExp('msie');
    var rmac    = new RegExp('mac');
	
	src     = document.getElementById(imageId).getAttribute('src');
	ua      = navigator.userAgent.toLowerCase();
	width   = document.getElementById(imageId).getAttribute('width');
	height  = document.getElementById(imageId).getAttribute('height');
	
    if (src.match(rpng) && ua.match(rmsie) && !ua.match(rmac)) {
    	document.getElementById(imageId).setAttribute('src', '/images/spacer.gif');
        document.getElementById(imageId).style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=scale)';
       	document.getElementById(imageId).style.width = width + 'px';
        document.getElementById(imageId).style.height = height + 'px';            
    }
}

/*
switch image 
*/
function swapImage(id, imageSrc) {
	document.getElementById(id).setAttribute('src', imageSrc);
	fixAlphaPngById(id);
}
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 == '');
}