function prepare_slider(sliderID, leftBut, rightBut){
		var x_pos = 0;
		var li_items_n = 0;	
		var right_clicks = 0;		
		var left_clicks = 0;					
		var li_col = $(sliderID).children("li");		
		var li_width = li_col.outerWidth(true);			
		var viewWindow = 1//Math.round($('.box-top').width()/li_width);
		
		li_col.each(function(index){			
			x_pos += $(this).outerWidth(true);
			li_items_n++;								
		})	
		
		right_clicks = li_items_n - viewWindow;
		total_clicks = li_items_n - viewWindow;		
		
		$(sliderID).css('position','relative');
		$(sliderID).css('left','0px');
		$(sliderID).css('width', x_pos+'px');
		
		var is_playing = false;
		var completed = function() { is_playing = false; }

		$(leftBut).click( function(){													
			cur_offset = $(sliderID).position().left;
			if (!is_playing){						
				if (left_clicks > 0) {
						is_playing = true; $(sliderID).animate({'left': cur_offset + li_width + 'px'}, 700, "linear", completed); 
						right_clicks++; 
						left_clicks--;
					} 
					else {
						is_playing = true;
						$(sliderID).animate({'left':    -li_width*total_clicks	+ 'px'}, 700, "linear", completed); 
						right_clicks = 0;
						left_clicks = total_clicks;
					}
			}
		});		

		$(rightBut).click( function(){
			if (!is_playing){			
				cur_offset = $(sliderID).position().left;			
			 	if (right_clicks > 0) {
						is_playing = true; 
						$(sliderID).animate({'left': cur_offset - li_width + 'px'},700, "linear", completed );
						right_clicks--; left_clicks++; 
				} 
				else { 
						is_playing = true; $(sliderID).animate({'left':    0	+ 'px'},700, "linear", completed ); 
						left_clicks = 0;
						right_clicks = total_clicks;
					}			 
			}
		});	
		
	}
	
function prepare_slider2(sliderID2, leftBut2, rightBut2){
		var x_pos2 = 0;
		var li_items_n2 = 1;	
		var right_clicks2 = 0;		
		var left_clicks2 = 0;					
		var li_col2 = $(sliderID2).children("li");		
		var li_width2 = li_col2.outerWidth(true);			
		var viewWindow2 = Math.round($('.box-top').width()/li_width2);
		
		li_col2.each(function(index){			
			x_pos2 += $(this).outerWidth(true);
			li_items_n2++;								
		})	
		
		right_clicks2 = li_items_n2 - viewWindow2;
		total_clicks2 = li_items_n2 - viewWindow2;		
		
		$(sliderID2).css('position','relative');
		$(sliderID2).css('left','0px');
		$(sliderID2).css('width', x_pos2+'px');
		
		var is_playing = false;
		var completed = function() { is_playing = false; }

		$(leftBut2).click( function(){													
			cur_offset = $(sliderID2).position().left;
			if (!is_playing){						
				if (left_clicks2 > 0) {
						is_playing = true; $(sliderID2).animate({'left': cur_offset + li_width2 + 'px'}, 700, "linear", completed); 
						right_clicks2++; 
						left_clicks2--;
					} 
					else {
						is_playing = true;
						$(sliderID2).animate({'left':    -li_width2*total_clicks2	+ 'px'}, 700, "linear", completed); 
						right_clicks2 = 0;
						left_clicks2 = total_clicks2;
					}
			}
		});		

		$(rightBut2).click( function(){
			if (!is_playing){			
				cur_offset = $(sliderID2).position().left;			
			 	if (right_clicks2 > 0) {
						is_playing = true; 
						$(sliderID2).animate({'left': cur_offset - li_width2 + 'px'},700, "linear", completed );
						right_clicks2--; left_clicks2++; 
				} 
				else { 
						is_playing = true; $(sliderID2).animate({'left':    0	+ 'px'},700, "linear", completed ); 
						left_clicks2 = 0;
						right_clicks2 = total_clicks2;
					}			 
			}
		});	
		
	}	
	
function intro(){
	var slider_link = $('#right_but');
	var slider_link_index = 1;
	var slider_count = $('#slider_list > li').size();	

	function slider_intro(){
		if(slider_link_index <= slider_count){
			slider_link.trigger('click');
			slider_link_index++;
			setTimeout(function(){slider_intro()}, 7000); //select change time
		}
	}
	setTimeout(function(){slider_intro()}, 7000)
}
	
function intro2(){
	var slider_link = $('#right_but_2');
	var slider_link_index = 4;
	var slider_count = $('#slider_list_2 > li').size();	

	function slider_intro(){
		if(slider_link_index <= slider_count){
			slider_link.trigger('click');
			slider_link_index++;
			setTimeout(function(){slider_intro()}, 7000); //select change time
		}
	}
	setTimeout(function(){slider_intro()}, 7000)
}