//上一张
function dPlayPre()
{
	if(npage < 2)
	{
		location.href = prevUrl + "#view";
	}else{
		if(npage == 2)
		{
			if(namehand != '')
			{
				location.href = namehand+".html#view";
			}else{
				location.href = "view.php?aid="+aid+"";
			}
		}else if(displaytype == 'st' && namehand != ''){
			location.href = namehand+"_"+(npage-1)+".html#view";
		}else{
			location.href = "view.php?aid="+aid+"&pageno="+(npage-1)+"#view";
		}
	}
}

//下一张
function dPlayNext()
{
	if(npage == totalpage)
	{
		location.href = nextUrl + "#view";
	}else{
		if(displaytype == 'st' && namehand != '') 
		{
			location.href = namehand+"_"+(npage+1)+".html#view";
		}else{
			location.href = "view.php?aid="+aid+"&pageno="+(npage+1)+"#view";
		}
	}
}