var ie = 0;
ie /*@cc_on = ScriptEngineMinorVersion() @*/;

function isChrome()
{
    var is_chrome = false;
    if (navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {
            is_chrome = true;
    }
    return is_chrome;
}

function CartAlign()
{
	var basket = document.getElementById("float-block");
	var cur_top = basket.offsetTop;
    var is_chrome = isChrome();
	var scroll =  ( is_chrome ) ? document.body.scrollTop : document.documentElement.scrollTop;
	if(scroll > 450)
	{
        if ( ie == 0 || ie > 7 ) {
            basket.style.position = "fixed";
            basket.style.top = "30px";
        } else {
            basket.style.top = scroll+30+"px";
        }
	} else {
        basket.style.position = "absolute";
		basket.style.top = "450px";
	}
}

window.onscroll = scrollEvent;

function scrollEvent() {
   CartAlign();
}