function hideElement(element_id){
   if (document.getElementById && document.getElementById(element_id) && document.getElementById(element_id).style)
   {
		document.getElementById(element_id).style.visibility="hidden";
		document.getElementById(element_id).style.display="none"
   };
}

function showElement(element_id){
   if (document.getElementById && document.getElementById(element_id) && document.getElementById(element_id).style)
   {
  
		document.getElementById(element_id).style.visibility="visible";
		document.getElementById(element_id).style.display=""
   };
}

function btnOver(cls, id) {
    alert(id + " , " + document.getElementById(id).attributes("class"))
    document.getElementById(id).attributes("class") = 'subjectsH'
    //document.getElementById(id).style.display="none"
}

function commitSearch() {
    var btnid = document.getElementById('btnId').value
    //alert(document.getElementById(btnid))
    document.getElementById(btnid).click();
}