// JavaScript Document
function init()
{
  fixBackgroundHeight();
  fixImagePositions("content_image_right");
  fixImagePositions("content_image_left");  
  fixImagePositions("content_image");  
}

function fixBackgroundHeight() 
{
  // This function sets the div "content_middle" to be a height that is a multiple of the background height
  // Since we are using a repeating image as the background, the background needs to be shown in full multiples
  // Without this function, the final bottom background image could be cut off, which would keep the image
  // background_bottom.jpg from lining up properly
  background_height = 4;
  ocontent_middle = document.getElementById("content_middle");
  height = ocontent_middle.offsetHeight;  
  height_remainder = height%background_height;
  if (height_remainder != 0)
  {
    ocontent_middle.style.height = height + (background_height - height_remainder) + "px";
  }	
}

function fixImagePositions(imageClass)
{
  // This function repositions images slightly (up to 3 pixels) so that they will line up correctly with the background image
  background_height = 4;
  ocontent_top = document.getElementById("content_top");
  ocontent_top_height = ocontent_top.offsetHeight;
  oimages = getElementsByClass(imageClass);
  for (var i = 0; i < oimages.length; i++) 
  {
	y = findPosY(oimages[i]) - ocontent_top_height - 1;
	y_remainder = y%background_height;
    if (y_remainder != 0)
    {
	  move_y = 	background_height - y_remainder;
      oimages[i].style.marginTop = oimages[i].style.marginTop + move_y  + "px";
    }		
  }
}

function findPosY(obj)
{
  var curtop = 0;
  if(obj.offsetParent)
  {
    while(1)
    {
      curtop += obj.offsetTop;
      if(!obj.offsetParent)
	  {
        break;
	  }
      obj = obj.offsetParent;
    }
  }
  else if(obj.y)
  {
    curtop += obj.y;
  }
  return curtop;
}

function getElementsByClass(searchClass, node, tag)
{
  var classElements = new Array();
  if ( node == null )
  {
	node = document;
  }
  if ( tag == null )
  {
    tag = '*';
  }
  var els = node.getElementsByTagName(tag);
  var elsLen = els.length;
  var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
  for (i = 0, j = 0; i < elsLen; i++)
  {
    if ( pattern.test(els[i].className) )
    {
	  classElements[j] = els[i];
	  j++;
	}
  }
  return classElements;
}

function clearTextField(field)
{
  field.value="";
}

function CheckSS()
{
  theFrm = document.frmSS;
  hasDot = theFrm.Email.value.indexOf(".");
  hasAt = theFrm.Email.value.indexOf("@");
  if (hasDot == -1 || hasAt == -1)
	{
		alert("Please enter a valid email address.");
		theFrm.Email.focus();
		theFrm.Email.select();
		return false;
	}	
	return true;
}

//v1.0
//Copyright 2006 Adobe Systems, Inc. All rights reserved.
//these function that begin with AC are for the Internet Explorer fix. see http://www.macromedia.com/devnet/activecontent/articles/devletter.html
function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
  var str = '<object ';
  for (var i in objAttrs)
    str += i + '="' + objAttrs[i] + '" ';
  str += '>';
  for (var i in params)
    str += '<param name="' + i + '" value="' + params[i] + '" /> ';
  str += '<embed ';
  for (var i in embedAttrs)
    str += i + '="' + embedAttrs[i] + '" ';
  str += ' ></embed></object>';

  document.write(str);
}

function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblClick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "id":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}

function AC_AX_RunContent(){
  var ret = AC_AX_GetArgs(arguments);
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_AX_GetArgs(args){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "pluginspage":
      case "type":
      case "src":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "data":
      case "codebase":
      case "classid":
      case "id":
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblClick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  return ret;
}