/* functions */

/*
document.onmousemove = mouseMove;

function mouseMove(ev){
	ev           = ev || window.event;
	var mousePos = mouseCoords(ev);
}

function mouseCoords(ev){
	if(ev.pageX || ev.pageY){
		return {x:ev.pageX, y:ev.pageY};
	}
	return {
		x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,
		y:ev.clientY + document.body.scrollTop  - document.body.clientTop
	};
}

*/





function setBublinkaClass(parent_node, old_class, new_class) {
	var help = parent_node.getElementsByTagName("div");
	for (var i=0; i<help.length; i++) {
		if (help[i].className == old_class) {
			help[i].className = new_class;
//			help[i].style.left = window.event.clientX + document.body.scrollLeft - document.body.clientLeft;
//			help[i].style.top = window.event.clientY + document.body.scrollTop - document.body.clientTop;
		}
	}
}

function nastavBublinky() {
	// find help divs and setup event for parent cell

	var divs = document.getElementsByTagName("div");
	for (var i=0; i<divs.length; i++) {
		if (divs[i].className == "bublinka") {
			// help exists
			var parent_node = divs[i].parentNode.parentNode;
			parent_node.onmouseover =  function () { setBublinkaClass(this, "bublinka", "bublinka_visible"); }
			parent_node.onmouseout = function () { setBublinkaClass(this, "bublinka_visible", "bublinka"); }
		}
	}
}



/* main */

addInit(nastavBublinky);