function bbcode_ins(fieldId, tag)
{
	field=document.getElementById(fieldId);
	if(tag =='b' || tag =='i' || tag =='u' || tag == 'quote' || tag == 'url' || tag == 'img' || tag == 's')
	{
		if (document.selection) 
		{
			field.focus();
			var selected = document.selection.createRange().text;
			var ins = '[' + tag + ']' + selected + '[/' + tag +']';
			var selected2 = document.selection.createRange();
			var sel = document.selection.createRange();
			selected2.moveStart ('character', -field.value.length);
			sel.text = '[' + tag + ']' + selected + '[/' + tag+']';
			sel.moveStart('character', selected2.text.length + ins.length - selected.length - 4);
		
		}
		
		//MOZILLA/NETSCAPE/SAFARI support
		
		else if (field.selectionStart || field.selectionStart == 0) 
		{
			var startPos = field.selectionStart;
			var endPos = field.selectionEnd;
			var selected = field.value.substring(startPos, endPos);
			var ins = '[' + tag + ']' + selected + '[/' + tag +']';
			field.focus();
			field.value = field.value.substring(0, startPos) + ins + field.value.substring(endPos, field.value.length);
			field.setSelectionRange(endPos+ins.length, endPos+ins.length-selected.length - 4);
		}
	
	}
}