/*NOT TEST*/
function drag_and_drop_class()
{
	var select_item;
	var selected_x, selected_y;
	var mouse_x, mouse_y;
	var check_move;
	this.check_move=0;
}
drag_and_drop_class.prototype={
	move:function (ClickedItem, ev)
	{
		this.select_item = document.getElementById(ClickedItem);
		this.selected_x = parseInt(this.select_item.style.left);
		this.selected_y = parseInt(this.select_item.style.top);
		this.mouse_x = ev.pageX;
		this.mouse_y = ev.pageY;
		this.check_move = 1;
	},
	drag:function (ev)
	{
		if(this.check_move == 1) 
		{
			this.select_item.style.left = this.selected_x + (ev.pageX - this.mouse_x)+"px";
			this.select_item.style.top = this.selected_y + (ev.pageY - this.mouse_y)+"px";
		}
	}
}