// JavaScript Document

var aPopups = new Array();
var aModalPopups = new Array();

window.onfocus = function()
{
	if(aModalPopups.length != 0)
	{
		aModalPopups[0].focus();
	}
}


var sDefaultFeatures = 'channelmode=0, fullscreen=0, location=0, menubar=0, resizable=0, scrollbars=0, status=0, titlebar=0, toolbar=0';

// create popup
function createPopup(sURL, sName, sFeatures, iWidth, iHeight)
{
	var iLeft	= (screen.availWidth - iWidth) / 2;
	var iTop	= (screen.availHeight - iHeight) / 2;
	
	return window.open(sURL, sName, sFeatures + ', width=' + iWidth + ', height=' + iHeight + ', left=' + iLeft + ', top=' + iTop);
}


// init thumbnails
function initThumbnails(){
	var aThumbnails = document.getElementsByTagName('img');
	var oThumbnail;
	
	for(var i = 0; i < aThumbnails.length; i++)	{
		oThumbnail = aThumbnails[i];
		
		if(oThumbnail.className.toLowerCase() == 'thumbnail'){
			
			oThumbnail.parentNode.setAttribute('naturalWidth', oThumbnail.width);
			oThumbnail.parentNode.setAttribute('naturalHeight', oThumbnail.height);
			
			// resize image
			if(oThumbnail.width > oThumbnail.height){
				oThumbnail.style.width = '90px';
			}else{
				oThumbnail.style.height = '60px';
			}
			
			// create popup
			oThumbnail.parentNode.onclick = function(){
				var iWidth = this.getAttribute('naturalWidth');
				var iHeight = this.getAttribute('naturalHeight');
				
				createPopup(this.getAttribute('href'), 'thumbnail', sDefaultFeatures, iWidth, iHeight);
				
				return false;
			}
		}
	}
}


// mark links
// mark links
function markLinks(){
	var aLinks = document.getElementsByTagName('a');
	var oLink, oMark;
	
	for(var i = 0; i < aLinks.length; i++){
		oLink = aLinks[i];
		
		if(oLink.getElementsByTagName('img').length == 0){
			
			switch(oLink.getAttribute('rel')){
				case 'ext': case 'external':
					oLink.className += ' external';
					oLink.target = '_blank';
					
					
					if(oLink.getAttribute('href').indexOf('.pdf') != -1){
						oMark = document.createElement('img');
						oMark.src = '/data/pdf.png';
						oLink.insertBefore(oMark , (oLink.firstChild));
					}else{
						oMark = document.createElement('img');
						oMark.src = '/data/external.png';
						oLink.appendChild(oMark);
					}
					
					break;
			}
		}
	}
	
	aLinks = document.getElementById('content').getElementsByTagName('a');
	
	for(var i = 0; i < aLinks.length; i++){
		if(aLinks[i].getAttribute('href')){
			oHref = document.createElement('span');
				oHref.className = 'print';
				oHref.appendChild((document.createTextNode(' [' + aLinks[i].href + ']')));
			
			aLinks[i].appendChild(oHref);
		}
	}
}

// getcookie
function getCookie(sName){
	var aCookie = document.cookie.split("; ");
	
	for (var i=0; i < aCookie.length; i++){
		var aCrumb = aCookie[i].split("=");
		if (sName == aCrumb[0]){
			return unescape(aCrumb[1]);
		}
	}
	
	return null;
}