// JavaScript Document

function initScrollLayers() {
	  // arguments: id of layer containing scrolling layers (clipped layer), id of layer tscroll, 
	  // if horizontal scrolling, id of element containing scrolling content (table?)
	
	var wndo1 = new dw_scrollObj('wn1', 'lyr1', null);
	var wndo2 = new dw_scrollObj('wn2', 'lyr2', null);



	  // arguments: dragBar id, track id, axis ("v" or "h"), x offset, y offset
	  // (x/y offsets of dragBar in track)
	  wndo1.setUpScrollbar("dragBar1", "track1", "v", 1, 1);
	  wndo2.setUpScrollbar("dragBar2", "track2", "v", 1, 1);
	  
	   
	  // Scrollbars initially hidden in this example 
	  dw_showLayers("scrollbar1", "scrollbar2", "scrollbar3");
	}

function dw_showLayers() {
	  if ( document.getElementById ) {
	    var lyr, i;
	    for (i=0; arguments[i]; i++) {
	      lyr = document.getElementById( arguments[i] );
	      if (lyr) {lyr.style.visibility = 'visible'};
	    }
	  }
	}