disgroups_list = new Array();
disgroups_list[0] = new Array(0,0,1,3.90);
disgroups_list[1] = new Array(1,3,1,4.90);
disgroups_list[2] = new Array(2,6,1,8.90);
disgroups_list[3] = new Array(3,5,1,6.90);