// glidescroll

// hastighed
dw_scrollObj.slideDur = 250;

dw_scrollObj.prototype.on_slide_start = function() {
	var navmore = document.getElementById('navmore');
	var navback = document.getElementById('navback');
	var shift = document.getElementById('shift');
	
	if (-1*this.destX == this.maxX) {
		if (navmore) {
			// navmore.style.color = '#666';
			navmore.className = 'disabled';
		}
		if (shift) {
			shift.src = '/graphics/arrow-left-dark.gif';
		}
	} else {
		if (navmore) {
			// navmore.style.color = '#333';
			navmore.className = 'enabled';
		}
	}
	
	if (this.destX == 0) {
		if (navback) {
			// navback.style.color = '#666';
			navback.className = 'disabled';
		}
		if (shift) {
			shift.src = '/graphics/arrow-right-dark.gif';
		}
    } else {
    	if (navback) {
    		// navback.style.color = '#333';
    		navback.className = 'enabled';
    	}
    }
}


// hoverscroll

dw_scrollObj.prototype.on_scroll_start = function() {

        // CD: i bevægelse
        if (intop == true) {
          // CD: no longer top
          intop = false;
          var pilop = document.getElementById('pilop');
          if (pilop) {
          	  pilop.src = '/graphics/arrow-up-dark.gif';
          	  // pilop.style.cursor = (pilop.style.setProperty) ? 'pointer' : 'hand';
          	  pilop.className = 'enabled';
          }
        } else if (inbuttom == true) {
          // CD: no longer buttom
          inbuttom = false;
          var pilned = document.getElementById('pilned');
          if (pilned) {
          	  pilned.src = '/graphics/arrow-down-dark.gif';
          	  // pilned.style.cursor = (pilned.style.setProperty) ? 'pointer' : 'hand';
          	  pilned.className = 'enabled';
          }
        }   

}
dw_scrollObj.prototype.on_scroll_end = function() {
        // CD: stopped
        if (this.endY == 0) {
          // CD: top reached
          if (intop != true) {
            intop = true;
            var pilop = document.getElementById('pilop');
            if (pilop) {
            	pilop.src = '/graphics/arrow-up-light.gif';
            	// pilop.style.cursor = 'default';
            	pilop.className = 'disabled';
            }
          }
        } else {
          // CD: buttom reached
          if (inbuttom != true) {
            inbuttom = true;
            var pilned = document.getElementById('pilned');
            if (pilned) {
            	pilned.src = '/graphics/arrow-down-light.gif';
            	// pilned.style.cursor = 'default';
            	pilned.className = 'disabled';
            }
          }
        }
}