/* scripts to manage galleries of pictures */

var gallerysize=2000;

/*gallery picture scripts */

function galleryClick(Gallery, direction, distance)
  {
    var obj = document.getElementById(Gallery);
	var debugobj = document.getElementById("gallerydebug");

	 var leftposition = parseInt(obj.style.left,10);
	 var objwidth = gallerysize;
	 var position;
	 
	 if (direction == "right")
	    {
		position = leftposition - distance;
		if (position + objwidth - 580 <= 0)
		  { 
			 return(0);
			};
		}
	 else
	    {
		position = leftposition + distance;
		if (  position >= 0 )
		  {
			 position = 0; 
		  };
		};
		
	 obj.style.left = position + "px";
	 debugobj.innerHTML ="<div style='color:white; display:none'> " + leftposition + " " + objwidth + " " + distance + "</div> ";
     return 1;
  }
  
function setGallerySize(size, width)
  {
	var debugobj = document.getElementById("gallerydebug");
	
	 gallerysize =   size * width ;
	 debugobj.innerHTML ="<div style='color:white; display:none'> " + gallerysize + " " + size + " " + width + " </div> ";
  }