var isExtended = 0;var height = 2500;var width = 230;var slideDuration = 500;var opacityDuration = 1000;function extendContract(){	if(isExtended == 0){				sideBarSlide(0, height, 1, width);		sideBarOpacity(0, 1);		isExtended = 1;	}	else{				sideBarSlide(height, 0, width, 1);		sideBarOpacity(1, 0);				isExtended = 0;	}}function sideBarSlide(fromHeight, toHeight, fromWidth, toWidth){	var myEffects = new Fx.Styles('sideBarContents', {duration: slideDuration, transition: Fx.Transitions.linear});	myEffects.custom({		 'height': [fromHeight, toHeight],		 'width': [fromWidth, toWidth]	});}function sideBarOpacity(from, to){	var myEffects = new Fx.Styles('sideBarContents', {duration: opacityDuration, transition: Fx.Transitions.linear});	myEffects.custom({		 'opacity': [from, to]	});}function init(){	$('sideBarTab').addEvent('click', function(){extendContract()});}window.addEvent('load', function(){init()});