// randomize the list of puzzle pieces var pcs = 9 // pcs is number of puzzle pieces //********************************************** var txt; var list = new Array(); list[0]='where do I belong?'; list[1]='where do I belong?'; list[2]='where do I belong?'; list[3]='where do I belong?'; list[4]='where do I belong?'; list[5]='where do I belong?'; list[6]='where do I belong?'; list[7]='where do I belong?'; list[8]='where do I belong?'; fisherYates(list); // scramble array order using Fisher-Yates algorithm for (var j=0; j < pcs; j++){ // alert(list[j]); if (j==0 || j==3 || j==6){ document.write('

'); } document.write(list[j]); } function fisherYates ( myArray ) { var j; var tempi,tempj; var i = myArray.length; if ( i == 0 ) return false; while ( --i ) { j = Math.floor( Math.random() * ( i + 1 ) ); tempi = myArray[i]; tempj = myArray[j]; myArray[i] = tempj; myArray[j] = tempi; } }