var currentTop=0
var clickCheck=0
var timMoveID=0

window.onscroll=scrollcheck

function timescroll(){
	window.clearInterval(timMoveID)
	timMoveID=0

	scrollcheck()
}
function scrollcheck(){

	if(clickCheck==0){
		if (typeof window.pageYOffset=="undefined"){ //must be ie
			currentTop=document.body.scrollTop
		}else{
			currentTop=window.pageYOffset
	
		}
	}else{

		clickCheck=0
		if (typeof window.pageYOffset=="undefined"){ //must be ie
			document.body.scrollTop=currentTop
		}else{
		
			window.scroll(0,currentTop)
		}

	}

}

function itemClicked(){

	if (typeof window.pageYOffset=="undefined"){ //must be ie
		if(document.body.scrollTop==0){
			clickCheck=0
		}else{
			clickCheck=1
		}
	}else{

		if(window.pageYOffset==0){
		
			clickCheck=0
		}else{
			clickCheck=1
			currentTop=window.pageYOffset
		}
	}
}