function scrollGallery(){
	var to=document.getElementById('SGV').value;
	var now=document.getElementById('Gallery_Core').scrollLeft;
	var kkk=(to-now)/2;
	if(kkk<5 & kkk>-5){ kkk=0; document.getElementById('Gallery_Core').scrollLeft=to; }else{ document.getElementById('Gallery_Core').scrollLeft+=kkk; setTimeout(scrollGallery,30); }
	
}

function slide_scroll_top(){
	document.documentElement.scrollTop=document.documentElement.scrollTop-(document.documentElement.scrollTop*0.2);
if(document.documentElement.scrollTop!=0){
setTimeout(slide_scroll_top, 20);
}

}


function check_scroll_to_top(){
	if(document.documentElement.scrollTop>800){
		document.getElementById('scroll_to_top').style.display='block';
	}else{
		document.getElementById('scroll_to_top').style.display='none';
	}
}
setInterval(check_scroll_to_top,300);