function setSizeY($sizeY)
    {
        $oldY = $this->sizeY;
        $this->sizeY = $sizeY;
        $this->onResize($this->sizeX, $oldY);
    }
function setSizeY($sizeY)
    {
        $oldY = $this->sizeY;
        $this->sizeY = $sizeY;
        $this->onResize($this->sizeX, $oldY);
    }
function setSizeY ( $ sizeY ) { $ oldY = $ this -> sizeY ; $ this -> sizeY = $ sizeY ; $ this -> onResize ( $ this -> sizeX , $ oldY ) ; }
Sets the height of the element
@param float
Sets the height of the element