function Pageback(){
	history.back();
}

function subWin(open_file,wsize){
	window.open(open_file,"window3","resizable=0,menubar=0,scrollbars=1,directories=0,status=0,location=0,width=590,height=400");
}
function photo01(open_file,wsize){
	window.open(open_file,"photo01","resizable=0,menubar=0,scrollbars=0,directories=0,status=0,location=0,width=400,height=279");
}

function photo02(open_file,wsize){
	window.open(open_file,"photo02","resizable=0,menubar=0,scrollbars=0,directories=0,status=0,location=0,width=400,height=289");
}

function photo03(open_file,wsize){
	window.open(open_file,"photo03","resizable=0,menubar=0,scrollbars=0,directories=0,status=0,location=0,width=400,height=272");
}

function photo04(open_file,wsize){
	window.open(open_file,"photo04","resizable=0,menubar=0,scrollbars=0,directories=0,status=0,location=0,width=400,height=234");
}