var fDesc=new Array(); fDesc[0] = "Physical Chemistry is a peer learning model that provides a valuable asset for students. The user can listen to clear explanations and interact with the multimedia. This, along with the eBook, allows the student to grasp the more difficult concepts: giving him/her a well rounded way to learn and meet the modern needs of students who read and interact with computers better than with hard copy text books."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }