function reset_page(num){
	document.naiyou.page.value = num;
}

function page1(sect,gakudata){
	document.jump.section.value = sect;
	document.jump.gaku.value = gakudata;
	document.jump.submit();
}

function page2(){
	size_ch = document.naiyou.size.value.split(" : ");
	if(size_ch[0] == "B0" || size_ch[0] == "A0"){
		alert("B0・A0はマットの範囲外ですのでマットをお付けすることができません。");
	}else if(document.naiyou.size.value.match("<!phi!>")){
		alert("規格サイズ（丸型）にはマットをお付けすることができません。");
	}else{
		document.naiyou.mat_flag.value = 2;
		document.naiyou.submit();
	}
}

function page3(){
	if(document.naiyou.price.value != "-"){
		if(document.naiyou.page.value == 2){
			document.naiyou.mat_flag.value = 1;
		}
		document.naiyou.page.value = 3;
		document.naiyou.submit();
	}else{
		alert("対応出来ないフレームサイズが選択されております。");
	}
}

function page4(){
	document.naiyou.submit();
}

function page5(){
	document.naiyou.submit();
}

function p_page1(sect,gakudata,frame,pic,sel){
	document.jump.section.value = sect;
	document.jump.gaku.value = gakudata;
	document.jump.frame.value = frame;
	document.jump.pic_state.value = pic;
	document.jump.p_sel.value = sel;
	document.jump.submit();
}

function kakunin_back(){
	if(document.naiyou.page.value == 4){
		if(document.stack.mat_flag.value == 2){
			document.stack.page.value = document.stack.page.value-1;
		}else{
			document.stack.page.value = document.stack.page.value-2;
		}
	}else{
		document.stack.page.value = document.stack.page.value-1;
	}
	document.stack.submit();
}

function page_back(){
	document.naiyou.page.value = document.naiyou.page.value - 2;
	document.naiyou.submit();
}

function page_sakuhin(){
	location.href = "../../ichiran.html";
}