window.onload = function(){
	setTargetBlank();
	init_expand();
}

//--------------------------------------------------------------------------------------------------

//standards-compliant target="_blank" functionality
function setTargetBlank() {
	if (document.getElementsByTagName){
		var arrAnchors = document.getElementsByTagName("a");
		for (var i=0; i<arrAnchors.length; i++) {
			var anchor = arrAnchors[i];
			if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "blank"){
				anchor.target = "_blank";
			}
		}
	}
} 

//--------------------------------------------------------------------------------------------------

//check expand
function init_expand(){
	try{
		var blocks = document.getElementById("col-a").getElementsByTagName("div");
		var block_split;
		var id;
		for(i=0;i<blocks.length;i++){
			if((blocks[i].id).indexOf("block-") != -1){
				block_split = (blocks[i].id).split("-");
				id = block_split[1];
				expand(id);
			}
		}
	}catch(er){}
}

//--------------------------------------------------------------------------------------------------

//expand/collapse
function expand(id){
	var block = document.getElementById("block-" + id);
	var heading = document.getElementById("heading-" + id);
	
	//expand block
	if(block.className == "block-closed"){
		block.className = "block-open";
		heading.className = "heading-open";
	}else if(block.className == "block-open" || block.className == ""){
		block.className = "block-closed";
		heading.className = "heading-closed";
	}
	
	heading.blur();
	
}

//--------------------------------------------------------------------------------------------------

//open centered popup
function openPopup(URL, ident, width, height, resize, scrolling){

	if(height > screen.availHeight){
		scrolling = "yes";
		width += 17;
	}
	
	var resizable = "no,noresize";
	if(resize){
		resizable = "yes";
	}

	var startX = ((screen.availWidth - width)/2);
	var startY = ((screen.availHeight - height)/2);		
	var options = "height=" + height + ",width=" + width + ",left=" + startX + ",top=" + startY + ",screenX=" + startX + ",screenY=" + startY + ",directories=no,location=no,menubar=no,resizable="+resizable+",scrollbars="+scrolling+",status=no,titlebar=no,toolbar=no";
	var objWindow = window.open(URL, ident, options);
	objWindow.focus();
}