(function(a){a.extend(a.fx.step,{backgroundPosition:function(d){if(d.state===0&&typeof d.end=="string"){var f=a.curCSS(d.elem,"backgroundPosition");f=c(f);d.start=[f[0],f[2]];var b=c(d.end);d.end=[b[0],b[2]];d.unit=[b[1],b[3]]}var e=[];e[0]=((d.end[0]-d.start[0])*d.pos)+d.start[0]+d.unit[0];e[1]=((d.end[1]-d.start[1])*d.pos)+d.start[1]+d.unit[1];d.elem.style.backgroundPosition=e[0]+" "+e[1];function c(h){h=h.replace(/left|top/g,"0px");h=h.replace(/right|bottom/g,"100%");h=h.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");var g=h.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);return[parseFloat(g[1],10),g[2],parseFloat(g[3],10),g[4]]}}})})(jQuery);$(function(){$("#leftnav a").css({backgroundPosition:"-151px 0px"}).mouseover(function(){$(this).stop().animate({backgroundPosition:"(0px 0px)"},{duration:160})}).mouseout(function(){$(this).stop().animate({backgroundPosition:"(-151px 0px)"},{duration:70,complete:function(){$(this).css({backgroundPosition:"-151px 0px"})}})})});$(document).ready(function(){hoverOpacity.init()});hoverOpacity={init:function(){$(".linkfader").css({position:"absolute",backgroundPosition:"0px 0px",cursor:"pointer"});$(".linkfader").each(function(){spanFader=document.createElement("span");myBG=$(this).css("background-image");$(this).append(spanFader);myBG=$(this).css("background-image");spanWidth=$(this).css("width");spanHeight=$(this).css("height");$(this).find("span").css({backgroundImage:myBG,backgroundPosition:"bottom right",position:"absolute",cursor:"pointer",top:"0px",left:"0px",width:spanWidth,height:spanHeight,opacity:0,visibility:"visible"})});$(".linkfader").hover(function(){$(this).find("span").stop();$(this).find("span:not(:animated)").animate({opacity:1},200)},function(){$(this).find("span").animate({opacity:0},200)});$(".highlightbuttonbg").css({position:"absolute",backgroundPosition:"0px 0px",cursor:"pointer"});$(".highlightbuttonbg").each(function(){spanFader=document.createElement("span");myBG=$(this).css("background-image");$(this).append(spanFader);myBG=$(this).css("background-image");spanWidth=$(this).css("width");spanHeight=$(this).css("height");$(this).find("span").css({backgroundImage:myBG,backgroundPosition:"bottom right",position:"absolute",cursor:"pointer",top:"0px",left:"0px",width:spanWidth,height:spanHeight,opacity:0,visibility:"visible"})});$(".highlightbuttonbg").hover(function(){$(this).find("span").stop();$(this).find("span:not(:animated)").animate({opacity:1},200)},function(){$(this).find("span").animate({opacity:0},420)});$(".freelessonspicbg a").css({position:"absolute",backgroundPosition:"0px 0px",cursor:"pointer"});$(".freelessonspicbg a").each(function(){spanFader=document.createElement("span");myBG=$(this).css("background-image");$(this).append(spanFader);myBG=$(this).css("background-image");spanWidth=$(this).css("width");spanHeight=$(this).css("height");$(this).find("span").css({backgroundImage:myBG,backgroundPosition:"bottom right",position:"absolute",cursor:"pointer",top:"0px",left:"0px",width:spanWidth,height:spanHeight,opacity:0,visibility:"visible"})});$(".freelessonspicbg a").hover(function(){$(this).find("span").stop();$(this).find("span:not(:animated)").animate({opacity:1},120)},function(){$(this).find("span").animate({opacity:0},460)})}};function validate(b,c){var d=/^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;var a=document.forms[b].elements[c].value;if(d.test(a)==false){alert("Please enter a valid email address.");return false}};

$(document).ready(function(){
$("#rpul li div").hover(
function(){
var iconName = $(this).children("img").attr("src");
var origen = iconName.split(".png")[0];
$(this).children("img").attr({src:"/images/rpcollapse.png"});
$(this).css("cursor", "pointer");
$(this).animate({width:"250px",height:"392px"},{queue:false,duration:300});
$(this).children("span").animate({opacity: "show"},"fast");}, 
function(){
var iconName = $(this).children("img").attr("src");
var origen = iconName.split("close.")[0];
$(this).children("img").attr({src:"/images/rpexpand.png"});			
$(this).animate({width:"31px",height:"25px"},{queue:false,duration:400});
$(this).children("span").animate({opacity: "show"},"slow");});});