function insertAtCursor(myField, myValue){ 
	if(document.selection){ 
		myField.focus();
		sel = document.selection.createRange(); 
		sel.text = myValue; 
	}else if(myField.selectionStart || myField.selectionStart == '0') { 
		var startPos = myField.selectionStart; 
		var endPos = myField.selectionEnd; 
		myField.value = myField.value.substring(0, startPos)+ myValue+ myField.value.substring(endPos, myField.value.length); 
	}else{ 
		myField.value += myValue; 
	} 
}