var beginMoving = false;
function MouseDownToMove(obj)
{
	obj.style.zIndex = 1;
	obj.mouseDownY = event.clientY;
	obj.mouseDownX = event.clientX;
	beginMoving = true;
	obj.setCapture();
}
function MouseMoveToMove(obj)
{
	if(!beginMoving) return false;
	for (i = 0; i < obj.cells.length; i ++){obj.cells [i].style.filter="alpha(opacity = 70)";}
	obj.style.top=(event.clientY - obj.mouseDownY);
	obj.style.left=(event.clientX - obj.mouseDownX);
}
function MouseUpToMove(obj)
{
	if (!beginMoving) return false;
	obj.releaseCapture();
	obj.style.top = 0;
	obj.style.left = 0;
	obj.style.zIndex = 0;
	beginMoving = false;
	var tempTop = event.clientY - obj.mouseDownY;
	var tempRowIndex = (tempTop - tempTop % 25) / 25;
	if (tempRowIndex + obj.rowIndex < 0 ){
	tempRowIndex = -1;
	}else{
	tempRowIndex=tempRowIndex+obj.rowIndex;
	}
	if (tempRowIndex>=obj.parentElement.rows.length-1){tempRowIndex=obj.parentElement.rows.length-1;}
	for (i=0;i<obj.cells.length;i++){obj.cells[i].style.filter="alpha(opacity = 100)";}
	obj.parentElement.moveRow(obj.rowIndex,tempRowIndex);
}