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

function AllowOnlyNumbers(inputfield,myEvent){	
	var keyOkay = false;
	if(window.event) {
		keyCode = myEvent.keyCode
	}
	else if(myEvent.which) {
		keyCode = myEvent.which
		}else
			{
				return true
			}
	if ((keyCode>=48) && (keyCode<=57)) keyOkay=true;
	if (keyCode==8) keyOkay=true; /*FireFox backspace*/
	return keyOkay;
}

function debugAjax(message){
	document.getElementById('DEBUGDIV').style.display='';
	document.getElementById('DEBUGDIV').innerHTML = message;
}

function trim(str){
   return str.replace(/^\s*|\s*$/g,"");
}
function fixPNG(myImage) 
{
	/* gebruik: <img src="ddd.png" width="10" height="10" onLoad="fixPNG(this)"> */
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
    if ((version >= 5.5) && (version < 7) && (document.body.filters)) 
    {
       var imgID = (myImage.id) ? "id='" + myImage.id + "' " : ""
	   var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : ""
	   var imgTitle = (myImage.title) ? 
		             "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' "
	   var imgStyle = "display:inline-block;" + myImage.style.cssText
	   var strNewHTML = "<span " + imgID + imgClass + imgTitle
                  + " style=\"" + "width:" + myImage.width 
                  + "px; height:" + myImage.height 
                  + "px;" + imgStyle + ";"
                  + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                  + "(src=\'" + myImage.src + "\', sizingMethod='scale');\"></span>"
	   myImage.outerHTML = strNewHTML	  
    }
}



function PopupMsg(strMessage, strButtonText, sndType)
{
	strMessage += "<br />";
	strMessage += "<br />";
	strMessage += "<input type=\"button\" class=\"button\" value=\"" + strButtonText + "\" onClick=\"cClick();\">";
	overlib(strMessage,HIDESELECTBOXES, DRAGGABLE, BORDER, 1, MIDX, 0, MIDY, 0, STATUS, "&nbsp;", CAPTION, "Media Groep Limburg", WIDTH , 333, 222);
}

function resizeScrollArea()
{
	if (document.getElementById)
	{
		var div = document.getElementById('contentDiv');
		div.style.height = (document.body.clientHeight - document.getElementById('topBannerRow').offsetHeight) + 'px';
	}
}

function ChangeDivVisible(strDiv)
{
	objDiv = document.getElementById(strDiv);
	if (objDiv != null)
	{
		if (objDiv.style.display == "")
		{
			objDiv.style.display = "none";
		}
		else
		{
			objDiv.style.display = "";
		}
	}
}

function externalLinks()
{ 
	if (!document.getElementsByTagName)
	{
		return;
	}
	var anchors = document.getElementsByTagName("a");
	for (var i = 0 ; i < anchors.length ; i++)
	{ 
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
		{
			anchor.target = "_blank";
		}
	} 
}