function init() {
	newWindow();
}

function newWindow() {
	var classElements = new Array();
	var els = document.getElementById("articles").getElementsByTagName("a");
	var elsLen = els.length;
	//alert(elsLen);
	for (i = 0, j = 0; i < elsLen; i++) {
		//alert(els[i].parentNode.className);
		if (els[i].parentNode.className == "") {
			classElements[j] = els[i];
			j++;
		}
	}

	for(var i=0;i<classElements.length;i++) {
		classElements[i].setAttribute("target","_blank");
	}
}

function togglepopover(x) {
	if(document.getElementById("pop"+x).style.display=="none") {
		for (i = 0; i < 999; i++) {
			if(document.getElementById("pop"+i)) {
				document.getElementById("pop"+i).style.display="none";
			}
		}
		popover = document.getElementById("pop"+x);
		popover.style.display="block";

		popparent = document.getElementById("art"+x);
		pos = findPosition(popparent);
		
		popover.style.left = (pos[0]+1) + 'px';
		popover.style.top = (pos[1]+1) + 'px';
	} else {
		document.getElementById("pop"+x).style.display="none"
	}
}

function findPosition(popover) {
  if( popover.offsetParent ) {
    for( var posX = 0, posY = 0; popover.offsetParent; popover = popover.offsetParent ) {
      posX += popover.offsetLeft;
      posY += popover.offsetTop;
    }
    return [ posX, posY ];
  } else {
    return [ popover.x, popover.y ];
  }
}