/*** PTViewer built-in functions ***/


function PtvUp() {
  document.ptviewer.panUp();
}
function PtvDown() {
  document.ptviewer.panDown();
}
function PtvLeft() {
  document.ptviewer.panLeft();
}
function PtvRight() {
  document.ptviewer.panRight();
}
function PtvZoomIn() {
  document.ptviewer.ZoomIn();
}
function PtvZoomOut() {
  document.ptviewer.ZoomOut();
}

function DoAuto() {
  document.ptviewer.startAutoPan( 0.5, 0.0, 1.0 );
}
function DoUp() {
  document.ptviewer.startAutoPan( 0.0, 0.1, 1.0 );
}
function DoDown() {
  document.ptviewer.startAutoPan( 0.0, -0.1, 1.0 );
}
function DoLeft() {
  document.ptviewer.startAutoPan( -0.5, 0.0, 1.0 );
}
function DoRight() {
  document.ptviewer.startAutoPan( 0.5, 0.0, 1.0 );
}
function DoLeftAuto() {
  document.ptviewer.startAutoPan( -0.1, 0.0, 1.0 );
}
function DoRightAuto() {
  document.ptviewer.startAutoPan( 0.1, 0.0, 1.0 );
}
function DoZoomIn() {
  document.ptviewer.startAutoPan( 0.0, 0.0, 1.0/1.025 );
}
function DoZoomOut() {
  document.ptviewer.startAutoPan( 0.0, 0.0, 1.025 );
}
function DoStop() {
  document.ptviewer.stopAutoPan();
}
function DoReset() {
	
}