// Numeric only control handler
jQuery.fn.ForceNumericOnly = function () {
     return this.each(function () {
         $(this).keydown(function (e) {
             var key = e.which || e.keyCode;
             if (!e.shiftKey && !e.altKey && !e.ctrlKey &&
             // numbers   
                 key >= 48 && key <= 57 ||
             // Numeric keypad
                 key >= 96 && key <= 105 ||
             // Backspace and Tab and Enter
                key == 8 || key == 9 || key == 13 ||
             // Home and End
                key == 35 || key == 36 ||
             // left and right arrows
                key == 37 || key == 39 ||
             // Del and Ins
                key == 46 || key == 45) {
                    return true;
             }
             return false;
         });
     });
};

/* Set the cursor position of a text field */
jQuery.fn.setCursorPosition = function(pos) {
	  this.each(function(index, elem) {
		if (elem.setSelectionRange) {
		  elem.setSelectionRange(pos, pos);
		} else if (elem.createTextRange) {
		  var range = elem.createTextRange();
		  range.collapse(true);
		  range.moveEnd('character', pos);
		  range.moveStart('character', pos);
		  range.select();
		}
	  });
	  return this;
	};


/* Get the cursor position of a text field */
 function getCaretPosition(oField) {
	  var iCaretPos = 0;
	  // IE-8 Support
	  if (document.selection) {
		    // Set focus on the element
		    oField.focus ();
		    // To get cursor position, get empty selection range
		    var oSel = document.selection.createRange ();
		    // Move selection start to 0 position
		    oSel.moveStart ('character', -oField.value.length);
		    // The caret position is selection length
		    iCaretPos = oSel.text.length;
	  }
	  // Firefox/Chrome/IE-9+ support
	  else if (oField.selectionStart || oField.selectionStart == '0')
	    iCaretPos = oField.selectionStart;
	  // Return results
	  return (iCaretPos);
}