function init() {
		
		var imageDirUrl = "http://www.hugoevents.org/hgm2010-beta/inc_speaker_js/";
		
		//scrollablediv 1 for speakers
		var scroller = new Bs_ScrollableDiv();
		scroller.init('divContainer_1', 'divContent_1');				
		
	  	var sliderObj = new Bs_Slider();
		sliderObj.width          = 11;
		sliderObj.height         = 'auto';
		sliderObj.arrowMouseOver = true;
		sliderObj.direction      = 1;
		sliderObj.imgDir         = '';
		sliderObj.setBackgroundImage(imageDirUrl + 'scroll_ln.gif', 'repeat');
		sliderObj.setSliderIcon(imageDirUrl + 'scroll_knob.gif', 11, 60);
		sliderObj.setArrowIconLeft(imageDirUrl + 'scroll_up.gif', 11, 10);
		sliderObj.setArrowIconRight(imageDirUrl + 'scroll_dn.gif', 11, 10);
		
		scroller.setSliderObject(sliderObj, 'sliderDiv1');
		scroller.setSlideSpeed(50, 'pixel'); //50 pixel per second
		scroller.setWheelSpeed(10, 'pixel'); //10 pixel per tick
		
		
		//scrollablediv 2 for topics
		var scroller2 = new Bs_ScrollableDiv();
		scroller2.init('divTopicContainer_1', 'divTopicContent_1');
			
	  	var sliderObj2 = new Bs_Slider();
		sliderObj2.attachOnChange(Bs_ScrollableDiv_sliderChange);
		sliderObj2.width          = 11;
		sliderObj2.height         = 'auto';
		sliderObj2.arrowMouseOver = true;
		sliderObj2.valueDefault   = 0; //we don't start at position 0 by default. this is in percent.
		sliderObj2.direction      = 1;
		sliderObj2.imgDir         = '';
		sliderObj2.setBackgroundImage(imageDirUrl + 'scroll_ln.gif', 'repeat');
		sliderObj2.setSliderIcon(imageDirUrl + 'scroll_knob.gif', 11, 60);
		sliderObj2.setArrowIconLeft(imageDirUrl + 'scroll_up.gif', 11, 10);
		sliderObj2.setArrowIconRight(imageDirUrl + 'scroll_dn.gif', 11, 10);
		sliderObj2.useInputField = 0;
		
		scroller2.setSliderObject(sliderObj2, 'sliderDiv2');
		scroller2.setSlideSpeed(50, 'pixel'); //50 pixel per second
		scroller2.setWheelSpeed(20, 'pixel'); //20 pixel per tick
		
		
		//scrollablediv 3 for science committee
		var scroller3 = new Bs_ScrollableDiv();
		scroller3.init('divScicomContainer_1', 'divScicomContent_1');
			
	  	var sliderObj3 = new Bs_Slider();
		sliderObj3.attachOnChange(Bs_ScrollableDiv_sliderChange);
		sliderObj3.width          = 11;
		sliderObj3.height         = 'auto';
		sliderObj3.arrowMouseOver = true;
		sliderObj3.valueDefault   = 0; //we don't start at position 0 by default. this is in percent.
		sliderObj3.direction      = 1;
		sliderObj3.imgDir         = '';
		sliderObj3.setBackgroundImage(imageDirUrl + 'scroll_ln.gif', 'repeat');
		sliderObj3.setSliderIcon(imageDirUrl + 'scroll_knob.gif', 11, 60);
		sliderObj3.setArrowIconLeft(imageDirUrl + 'scroll_up.gif', 11, 10);
		sliderObj3.setArrowIconRight(imageDirUrl + 'scroll_dn.gif', 11, 10);
		sliderObj3.useInputField = 0;
		
		scroller3.setSliderObject(sliderObj3, 'sliderDiv3');
		scroller3.setSlideSpeed(50, 'pixel'); //50 pixel per second
		scroller3.setWheelSpeed(20, 'pixel'); //20 pixel per tick
		
		
		//scrollablediv 4 for synopsis
		var scroller4 = new Bs_ScrollableDiv();
		scroller4.init('divSynopsisContainer_1', 'divSynopsisContent_1');
			
	  	var sliderObj4 = new Bs_Slider();
		sliderObj4.attachOnChange(Bs_ScrollableDiv_sliderChange);
		sliderObj4.width          = 11;
		sliderObj4.height         = 'auto';
		sliderObj4.arrowMouseOver = true;
		sliderObj4.valueDefault   = 0; //we don't start at position 0 by default. this is in percent.
		sliderObj4.direction      = 1;
		sliderObj4.imgDir         = '';
		sliderObj4.setBackgroundImage(imageDirUrl + 'scroll_ln.gif', 'repeat');
		sliderObj4.setSliderIcon(imageDirUrl + 'scroll_knob.gif', 11, 60);
		sliderObj4.setArrowIconLeft(imageDirUrl + 'scroll_up.gif', 11, 10);
		sliderObj4.setArrowIconRight(imageDirUrl + 'scroll_dn.gif', 11, 10);
		sliderObj4.useInputField = 0;
		
		scroller4.setSliderObject(sliderObj4, 'sliderDiv4');
		scroller4.setSlideSpeed(50, 'pixel'); //50 pixel per second
		scroller4.setWheelSpeed(20, 'pixel'); //20 pixel per tick
		
	}