var mySlide = null;


function getObj(name){return document.getElementById(name)}

var initScroll = function()
{
	if(getObj("textContainer"))
	{

		var height = parseInt($('textContainer').clientHeight);
		var s = Math.round((height/400)*100) - 10;
		s = getObj('textContainer').getAttribute('name') ? getObj('textContainer').getAttribute('name') : s;
		mySlide = new Slider(getObj('area'), getObj('knob'), {	
			steps: s,	
			mode: 'vertical',	
			onChange: function(step){
				getObj("textContainer").style.top=Math.round(-(step/320)*parseInt(getObj('textContainer').clientHeight))+"px"
			}
		}).set(5);
	}
}