1 // General purpose functions. 2 3 function hide_element(elementId) { 4 element = document.getElementById(elementId); 5 if(element != null) { 6 currentClass = element.className; 7 if(currentClass =='visible_tooltip') { 8 element.className = 'hidden_tooltip'; 9 } 10 } 11 } 12 13 function show_element(elementId) { 14 element = document.getElementById(elementId); 15 if(element != null) { 16 currentClass = element.className; 17 if(currentClass == 'hidden_tooltip') { 18 element.className = 'visible_tooltip'; 19 } 20 } 21 } 22 23 24
