function formatText(elementID, begintag, endtag) {

	el = document.getElementById(elementID);

  	if (el.setSelectionRange) {
 		el.value = el.value.substring(0,el.selectionStart) + begintag + el.value.substring(el.selectionStart,el.selectionEnd) + endtag + el.value.substring(el.selectionEnd,el.value.length);
  	}
  }
  
function addText(elementID, item) {

	el = document.getElementById(elementID);

  	if (el.setSelectionRange) {
 		el.value = el.value.substring(0,el.selectionStart) + item + el.value.substring(el.selectionStart,el.value.length);
  	}
  }