/*****************************************************
Function: add/remove elements from the document
******************************************************/

function removeElement(parentID,elementID){
	var parent = document.getElementById(parentID);
	var child = document.getElementById(elementID);
	
	parent.removeChild(child);
}
function addElement(parentID,elementID,elementType,secondType){
	var newElement = document.createElement(elementType);
	newElement.setAttribute('id',elementID);
	var parent = document.getElementById(parentID);
	
	if(secondType){
		newElement.type = secondType;	
	}
	parent.appendChild(newElement);
}

function setElementAttribute(id,stype,text){
	var element = document.getElementById(id);
	
	element.setAttribute(stype,text);
}
/*****************************************************
Function: confirm delete
******************************************************/
function confirmDelete(delUrl) {
  if (confirm("Are you sure you want to delete?")) {
    document.location = delUrl;
  }
}

/*****************************************************
Function: redirect to page
*****************************************************/
function redirect(page){
	if(page) document.location.href = page;	
}
/*****************************************************
Function: check value agains regular expression
******************************************************/
function checkRegExpress(reg,id,format){
	var element = document.getElementById(id);
	
	if(!element.value.match(reg)){
		showError(format);
		return false;
	}else{
		return true;	
	}
}


/*****************************************************
Function: show/hide div
******************************************************/
function showHideElement(element,bstate){ //state: true = show ; false = hide
	var div = document.getElementById(element);
	
	if(bstate){
		div.style.display = 'block';
	}else{
		div.style.display = 'none';
	}
}

function showHideElementAuto(element){ //state: true = show ; false = hide
	var div = document.getElementById(element);
	
	if(div.style.display == 'none'){
		div.style.display = 'block';
	}else{
		div.style.display = 'none';
	}
}

/*****************************************************
Function: check to see if an element is in an array
******************************************************/
function inArray(arr,value){
	var found = false;
	
	for(x in arr){
		if(arr[x] == value){
			found = true;
			break;
		}
	}
	
	return found;
}

/*****************************************************
Function: Macromedia functions
******************************************************/

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/*****************************************************
Function: get vars from URL
******************************************************/
function getURLHash() {
	var q = document.location.hash;
	if(q) {
		alert(q.substring(1,q.length));
	}
	return "";
}