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                function addText(foname, elname, wrap1, wrap2) {
	if (document.selection) { // for IE 
		var str = document.selection.createRange().text;
		document.forms[foname].elements[elname].focus();
		var sel = document.selection.createRange();
		sel.text = wrap1 + str + wrap2;
		return;
	} else if ((typeof document.forms[foname].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var txtarea = document.forms[foname].elements[elname];
		var selLength = txtarea.textLength;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd;
		var oldScrollTop = txtarea.scrollTop;
		//if (selEnd == 1 || selEnd == 2)
		//selEnd = selLength;
		var s1 = (txtarea.value).substring(0,selStart);
		var s2 = (txtarea.value).substring(selStart, selEnd)
		var s3 = (txtarea.value).substring(selEnd, selLength);
		txtarea.value = s1 + wrap1 + s2 + wrap2 + s3;
		txtarea.selectionStart = s1.length;
		txtarea.selectionEnd = s1.length + s2.length + wrap1.length + wrap2.length;
		txtarea.scrollTop = oldScrollTop;
		txtarea.focus();
		return;
	} else {
		insertText(foname, elname, wrap1 + wrap2);
	}
}
function insertText(foname, elname, what) {
	if (document.forms[foname].elements[elname].createTextRange) {
		document.forms[foname].elements[elname].focus();
		document.selection.createRange().duplicate().text = what;
	} else if ((typeof document.forms[foname].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var tarea = document.forms[foname].elements[elname];
		var selEnd = tarea.selectionEnd;
		var txtLen = tarea.value.length;
		var txtbefore = tarea.value.substring(0,selEnd);
		var txtafter =  tarea.value.substring(selEnd, txtLen);
		var oldScrollTop = tarea.scrollTop;
		tarea.value = txtbefore + what + txtafter;
		tarea.selectionStart = txtbefore.length + what.length;
		tarea.selectionEnd = txtbefore.length + what.length;
		tarea.scrollTop = oldScrollTop;
		tarea.focus();
	} else {
		document.forms[foname].elements[elname].value += what;
		document.forms[foname].elements[elname].focus();
	}
}
             
            function addText(foname, elname, wrap1, wrap2) { 	if (document.selection) { // for IE  		var str = document.selection.createRange().text; 		document.forms[foname].elements[elname].focus(); 		var sel = document.selection.createRange(); 		sel.text = wrap1 + str + wrap2; 		return; 	} else if ((typeof document.forms[foname].elements[elname].selectionStart) != 'undefined') { // for Mozilla 		var txtarea = document.forms[foname].elements[elname]; 		var selLength = txtarea.textLength; 		var selStart = txtarea.selectionStart; 		var selEnd = txtarea.selectionEnd; 		var oldScrollTop = txtarea.scrollTop; 		//if (selEnd == 1 || selEnd == 2) 		//selEnd = selLength; 		var s1 = (txtarea.value).substring(0,selStart); 		var s2 = (txtarea.value).substring(selStart, selEnd) 		var s3 = (txtarea.value).substring(selEnd, selLength); 		txtarea.value = s1 + wrap1 + s2 + wrap2 + s3; 		txtarea.selectionStart = s1.length; 		txtarea.selectionEnd = s1.length + s2.length + wrap1.length + wrap2.length; 		txtarea.scrollTop = oldScrollTop; 		txtarea.focus(); 		return; 	} else { 		insertText(foname, elname, wrap1 + wrap2); 	} }   function insertText(foname, elname, what) { 	if (document.forms[foname].elements[elname].createTextRange) { 		document.forms[foname].elements[elname].focus(); 		document.selection.createRange().duplicate().text = what; 	} else if ((typeof document.forms[foname].elements[elname].selectionStart) != 'undefined') { // for Mozilla 		var tarea = document.forms[foname].elements[elname]; 		var selEnd = tarea.selectionEnd; 		var txtLen = tarea.value.length; 		var txtbefore = tarea.value.substring(0,selEnd); 		var txtafter =  tarea.value.substring(selEnd, txtLen); 		var oldScrollTop = tarea.scrollTop; 		tarea.value = txtbefore + what + txtafter; 		tarea.selectionStart = txtbefore.length + what.length; 		tarea.selectionEnd = txtbefore.length + what.length; 		tarea.scrollTop = oldScrollTop; 		tarea.focus(); 	} else { 		document.forms[foname].elements[elname].value += what; 		document.forms[foname].elements[elname].focus(); 	} } 
 
  
         
          
     
  
 
aan te roepen door 
    
    
        
            
                addText('form','field','[b]','[/b]')
             
            addText('form','field','[b]','[/b]') 
 
  
         
          
     
  
form en field spreekt voor zick lijkt mij |