function bold() { 
   element = document.getElementById("text");
   element.focus(); 
   if(document.selection) { 
      SelectedText = element.document.selection.createRange(); 
      SelectedText.text = "[b]"+SelectedText.text+"[/b]" 
   } 
} 

function italicize() { 
   element = document.getElementById("text");
   element.focus(); 
   if(document.selection) { 
      SelectedText = element.document.selection.createRange(); 
      SelectedText.text = "[i]"+SelectedText.text+"[/i]" 
   } 
} 
function underline() { 
   element = document.getElementById("text");
   element.focus(); 
   if(document.selection) { 
      SelectedText = element.document.selection.createRange(); 
      SelectedText.text = "[u]"+SelectedText.text+"[/u]" 
   } 
} 
function strike() { 
   element = document.getElementById("text");
   element.focus(); 
   if(document.selection) { 
      SelectedText = element.document.selection.createRange(); 
      SelectedText.text = "[strike]"+SelectedText.text+"[/strike]" 
   } 
} 
function hr() { 
   element = document.getElementById("text");
   element.focus(); 
   if(document.selection) { 
      SelectedText = element.document.selection.createRange(); 
      SelectedText.text = "[hr]"; 
   } 
}