/* DOC CHANGELOG AND REVISIONS */
/* CHANGE 1.1 -- function getInnerText(elm) toegevoegd om de innerText van een element op te halen */
/* CHANGE 1.2 -- function getInnerText(elm) aangepast om de innerText van een element op te halen */
/* CHANGE 1.3 -- JS versies van ColdFusion's URLDecode(inString) en URLEncodedFormat(inString) toegevoegd */
/* CHANGE 1.4 -- getElementsByClassName uitgebreid zodat je vanaf een node kunt zoeken naar specifieke tags */
/* CHANGE 1.5 -- alles wat te maken heeft met classes verwijderd en in een apart bestand classes.js gestopt */
/* CHANGE 1.6 -- URLEncodedFormat en URLDecode verplaatst naar string.js */

function createElement(tag,attr){
	var el = document.createElement(tag);
	if(attr!=null) 
		parseAttributes(el,attr);
	return el;
}

function duplicateElement(el){
	return el.cloneNode(true);
}

function parseAttributes(el,attr){
	for(var i in attr) 
		(i=="className") ? el.className = attr[i] : el.setAttribute(i,attr[i]);
}

function insertText(el,text){
	if (text==null || text=='') 
		return el;
	var DOMText = parseHTML(text);
	if(DOMText.childNodes.length==1 && DOMText.childNodes[0].nodeType==3){
		t = document.createTextNode(DOMText.childNodes[0].nodeValue);
		el.appendChild(t);
	}
	else {
		el.innerHTML += DOMText.innerHTML;
	}
	return el;
}

function setText(el,text){
	el.innerHTML = '';
	return insertText(el,text);
}

function parseHTML(text){
	var div = createElement("DIV");
	div.innerHTML = text;
	return div;
	/*return div.childNodes[0].nodeValue;*/
}

function appendChildren(el, children){
	for(child in children){
		el.appendChild(child)
	}
	return el;
}

function getParentByTagName(el,tagName){
	if(typeof el == "string") 
		el = getElementById(el);
	if(!el) 
		return;
	if(el.tagName.toLowerCase()!=tagName.toLowerCase()){
		if(el.parentNode) 
			el = getParentByTagName(el.parentNode,tagName);
	}
	return el;
}

/* retrieves all innertext for a given node */
function getInnerText(el){
	var text = (arguments.length==1) ? "" : arguments[1];
	var children = el.childNodes;
	for(var i=0;i<children.length;i++){
		if(children[i].nodeType==3){
			text += children[i].nodeValue
		}
		else {
			if(children[i].nodeType==1){
				text += getInnerText(children[i], text);
			}
		}
	}
	return text;
}

/* retrieves the innerHTML of a given node */
function getInnerHTML(el){
	return el.innerHTML;
}

// retourneert het html-element wat het event heeft getriggerd 
getTargetElement = function(e){
	if(!e) e = window.event;
	if(!e){
		return;
	} else if(e.srcElement){
		return e.srcElement
	} else if(e.currentTarget){
		return e.currentTarget;
	}
}

// retourneert de ascii-waarde van de ingetoetste knop op het toetsenbord
getKeyCode = function(e){
	if(!e) e = window.event;
	if(!e){
		return;
	} else if(e.which){
		return e.which;
	} else if(e.keyCode){
		return e.keyCode;
	}
	return;
}
getCharCode = function(e){
	if(!e) e = window.event;
	if(!e){
		return;
	} else if(e.charCode){
		return e.charCode;
	} else if(e.keyCode){
		return e.keyCode;
	} else if(e.which){
		return e.which;
	}
	return;
}

cancelEvent = function(e){
	if(!e) e = window.event;
	if(!e){
		return;
	} else if(e.preventDefault){
		e.preventDefault();
	} else if(e.stopPropagation){
		e.stopPropagation();
		e.returnValue = false;
	} else if(!e.cancelBubble){
		e.cancelBubble = true;
		e.returnValue = false;
	} 
	return;
}

// retourneert de vertaalde ascii-waarde van de ingetoetste knop op het toetsenbord
getKeyStringVal = function(e){return String.fromCharCode(getCharCode(e));}

// geven aan of op het moment van het event een van deze toetsen ingedrukt was
altIsPressed = function(e){return e['altKey'];}
ctrlIsPressed = function(e){return e['ctrlKey'];}
shiftIsPressed = function(e){return e['shiftKey'];}

function addEvent(elmArray,evt,fn){
	if(typeof elmArray=="string") elmArray = new Array(elmArray);
	if(typeof elmArray=="object" && !elmArray.length) elmArray = new Array(elmArray);
	for(var i=0;i<elmArray.length;i++){
		if(elmArray[i].addEventListener){
			elmArray[i].addEventListener(evt,fn,false);
		} else if (elmArray[i].attachEvent){
			elmArray[i].attachEvent("on"+evt,fn);
		} else {
			elmArray[i]["on" + evt] = fn;
		}
	}
}

function removeEvent(elmArray,evt,fn){
	if(typeof elmArray=="string") elmArray = new Array(elmArray);
	if(typeof elmArray=="object" && !elmArray.length) elmArray = new Array(elmArray);
	for(var i=0;i<elmArray.length;i++){
		if(elmArray[i].removeEventListener){
			elmArray[i].removeEventListener(evt,fn,false);
		} else if (elmArray[i].detachEvent){
			elmArray[i].detachEvent("on"+evt,fn);
		} else {
			elmArray[i]["on" + evt] = null;
		}
	}
}



function convertGetDoc(){
	
	var doc    = 'pdf.cfm';
	var urlvar = 'filename';
	var extchk = "pdf,xls,doc"; // direct download links
	
	
	var lnks = document.getElementsByTagName("a");
	var conv = new Array();
	for(var i=0,lnk;i<lnks.length,lnk=lnks[i];i++){
		if(lnk.href.split(doc).length>1){
			conv.push(lnk);
		}
	}
	
	function doGetDoc(e){
		var lnk = getTargetElement(e);
		lnk = getParentByTagName(lnk, "a");
		lnk = lnk.href.split(urlvar+"=");
		if(lnk.length>1){
			urchinTracker(unescape(lnk[1]));
		}
	}
	
	addEvent(conv,"click",doGetDoc);
}

addEvent(window, "load", convertGetDoc);