/*
 * jScroller 0.3 - Scroller Script
 *
 * Copyright (c) 2007 Markus Bordihn (http://markusbordihn.de)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * $Date: 2007-11-15 13:00:00 +0100 (Thu, 15 Nov 2007) $
 * $Rev: 0.3 $
 */

$(document).ready(function(){
   this.defaults = {
     scroller: {
       interval:  0,    // Dont touch !
       refresh:   50,  // Refresh Time in ms
       direction: "up", // down,right,left,up
       speed:     1,    // Set the Scroller Speed
       id:        "#scrollerr",
       cont_id:   "#scroller_container",
			 scroll_up:   "#scroller_scroll_up",
			 scroll_down:   "#scroller_scroll_down"
     }
   }

   var jscroller_config = $.extend(this.defaults), jscroller_scroller = $(jscroller_config.scroller.id), jscroller_scroller_cont = $(jscroller_config.scroller.cont_id), jscroller_scroll_arrow_down = $(jscroller_config.scroller.scroll_down), jscroller_scroll_arrow_up = $(jscroller_config.scroller.scroll_up) ;
   
	if (jscroller_scroll_arrow_down) {
		jscroller_scroll_arrow_down.css({position: 'relative', top: 0});
	}
	if (jscroller_scroll_arrow_up) {
		jscroller_scroll_arrow_up.css({position: 'relative', top: 0});
		jscroller_scroll_arrow_up.css('visibility', 'hidden');
	}
	 
   if (jscroller_scroller && jscroller_scroller_cont) {
      jscroller_scroller.css({position: 'absolute', left: 0, top: 0});
      jscroller_init();
   }	 
	 
   function jscroller_startScroll() {
     if(!jscroller_config.scroller.interval) {
      jscroller_config.scroller.interval=window.setInterval(jscroller_doScroll,jscroller_config.scroller.refresh);
     }
   }

   function jscroller_stopScroll() {
     if (jscroller_config.scroller.interval) {
      window.clearInterval(jscroller_config.scroller.interval);
      jscroller_config.scroller.interval=0;
     }
   }

   function jscroller_init() {
	 
    $("#scroller a").click(function(){
      window.open(this.href);
			      alert("");
      return false;
    });
		
		/*
	 $("#scroller_container").mouseover(function(){
			jscroller_startScroll();
      return false;
    });
		
		$("#scroller_container").mouseout(function(){
			jscroller_stopScroll();
      return false;
    });
		*/
		
		$("#scroller_scroll").mouseover(function(){
			jscroller_startScroll();
      return false;
    });
		
		$("#scroller_scroll").mouseout(function(){
			jscroller_stopScroll();
      return false;
    });
		
		$("#scroller_scroll_down").mouseover(function(){
			jscroller_config.scroller.direction ="up"
			jscroller_startScroll();
      return false;
    });
		
		$("#scroller_scroll_down").mouseout(function(){
			jscroller_stopScroll();
      return false;
    });
		
		$("#scroller_scroll_up").mouseover(function(){
			jscroller_config.scroller.direction ="down"
			jscroller_startScroll();
      return false;
    });
		
		$("#scroller_scroll_up").mouseout(function(){
			jscroller_stopScroll();
      return false;
    });
		
		
		 jscroller_scroller_cont.css('overflow','hidden');
		
    if(!jscroller_config.scroller.interval) { 
      if (window.attachEvent) {
       //window.attachEvent("onfocus", jscroller_startScroll);
       //window.attachEvent("onblur",  jscroller_stopScroll);
       //window.attachEvent("onresize", jscroller_startScroll);
       //window.attachEvent("onscroll", jscroller_startScroll);
      }
      else if (window.addEventListener) {
       //window.addEventListener("focus", jscroller_startScroll, false);
       //window.addEventListener("blur",  jscroller_stopScroll, false);
       //window.addEventListener("resize", jscroller_startScroll, false);
       //window.addEventListener("scroll", jscroller_startScroll, false);
      }
     // jscroller_startScroll();
      if ($.browser.msie) {window.focus()}
     }
   }

   function jscroller_getElem(Elem) {
    return (typeof Elem == "string" && document.getElementById)? document.getElementById(Elem) : Elem;
   }

   function jscroller_doScroll() {
    if (scroller_dom = jscroller_getElem(jscroller_scroller.attr("id"))) {
     var
      p_top= Number((/[0-9-,.]+/.exec(jscroller_scroller.css('top'))||0)),
      p_left=Number((/[0-9-,.]+/.exec(jscroller_scroller.css('left'))||0)),
      min_height=jscroller_scroller_cont.height(),
      min_width=jscroller_scroller_cont.width(),
      speed=jscroller_config.scroller.speed,
      p_height=scroller_dom.offsetHeight,
      p_width=scroller_dom.offsetWidth,
      direction=jscroller_config.scroller.direction,
      jscroller=jscroller_scroller;

		switch(direction) {
       case 'up':
        if (p_top <= -1*p_height) {
					p_top=min_height;
				if (jscroller_scroll_arrow_down)
					jscroller_scroll_arrow_down.css('visibility', 'visible');
				}				
				if (jscroller_scroll_arrow_down){
					if(min_height-1>=p_height) jscroller_scroll_arrow_down.css('visibility', 'hidden');
					if(-1*p_top>=p_height-min_height) {
						jscroller_scroll_arrow_down.css('visibility', 'hidden');
						jscroller_stopScroll();
					}
				}
				jscroller.css('top',p_top-speed+'px');
				if(jscroller_scroll_arrow_up)
					jscroller_scroll_arrow_up.css('visibility', 'visible');
       break;
       
			 case 'right':
        if (p_left >= min_width) {p_left=-1*p_width;}
        jscroller.css('left',p_left+speed+'px');
       break;
       
			 case 'left':
        if (p_left <= -1*p_width) {p_left=min_width;}
        jscroller.css('left',p_left-speed+'px');
       break;
			 
       case 'down':
				jscroller_scroll_arrow = jscroller_scroll_arrow_up;			 
        if (p_top >= min_height) {
						p_top=-1*p_height;
					if (jscroller_scroll_arrow)
						jscroller_scroll_arrow.css('visibility', 'visible');
					}
				if (jscroller_scroll_arrow){
					if(min_height >=p_height) jscroller_scroll_arrow.css('visibility', 'hidden');
					if(p_top >= 0) {
						jscroller_scroll_arrow.css('visibility', 'hidden');
						jscroller_stopScroll();
					}
				}			
        jscroller.css('top',p_top+speed+'px');
				if(jscroller_scroll_arrow_down)
					jscroller_scroll_arrow_down.css('visibility', 'visible');				
       break;
     }
    }
   }
});