whole_func_string: function() {
              var me = this,
                  offsetParent = me.dom.offsetParent,
                  y = me.getStyle('top');
  
              if (!y || y === 'auto') {
                  y = 0;
              } else if (me.pxRe.test(y)) {
                  y = parseFloat(y);
              } else {
                  y = me.getY();
                  if (offsetParent) {
                      y -= Element.getY(offsetParent);
                  }
              }
  
              return y;
          }
func_code_string: function() {
              var me = this,
                  offsetParent = me.dom.offsetParent,
                  y = me.getStyle('top');
  
              if (!y || y === 'auto') {
                  y = 0;
              } else if (me.pxRe.test(y)) {
                  y = parseFloat(y);
              } else {
                  y = me.getY();
                  if (offsetParent) {
                      y -= Element.getY(offsetParent);
                  }
              }
  
              return y;
          }
func_documentation_string: Gets the local CSS Y position for the element
  
  @return {Number}