function ascii_check(str) {
	cnt = 0;
	for (i=0; i<str.length; i++) {
		buf = str.charAt(i);
		if( (buf >= 'A' && buf <= 'Z') || (buf >= 'a' && buf <= 'z') || (buf >= 0 && buf <= 9) )
			cnt += 1;
		else
			cnt = -1;
			//return -1;
	}
	return cnt;
}

function value_length(str) {
	cnt = 0;
	for (i=0; i<str.length; i++) {
		buf = str.charAt(i);
		if( (buf >= 'A' && buf <= 'Z') || (buf >= 'a' && buf <= 'z') || (buf >= 0 && buf <= 9) ) {
			cnt += 1;
			//alert("11 " + buf);
		}
		else {
			cnt += 2;
			//alert("22 " + buf);
		}
	}
	return cnt;
}

function value_gubun(str) {
	gubun = "e";
	for (i=0; i<str.length; i++) {
		buf = str.charAt(i);
		if( (buf >= 'A' && buf <= 'Z') || (buf >= 'a' && buf <= 'z') || (buf >= 0 && buf <= 9) ) {
		}
		else {
			gubun = "k";
		}
	}
	return gubun;
}

function special_char(str) {
	if ( str.indexOf("$")>0 || str.indexOf("@")>0 || str.indexOf(".")>0 || str.indexOf("-")>0 ||  str.indexOf(" ")>0 ||  str.indexOf("_")>0)
		return -1;
	else
		return 1;
}

function f_sel(avata) {
	//document.fo.avata.value = "Mouse.gif";
	//document.fo.avata.value = avata;
	document.fo.avata.value = "";
}

function change(a) {
   
   if ( a=='Mouse.gif') {
      document.all["Layer1"].style.visibility="visible";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a=='Cow.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="visible";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Tiger.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="visible";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Rabbit.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="visible";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Dragon.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="visible";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Snake.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="visible";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Horse.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="visible";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Sheep.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="visible";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Monkey.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="visible";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Rooster.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="visible";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Dog.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="visible";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="hidden";
   } else if (a =='Pig.gif') {
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="visible";
      
      document.all["Layer13"].style.visibility="hidden";
   }
   else{
      document.all["Layer1"].style.visibility="hidden";
      document.all["Layer2"].style.visibility="hidden";
      document.all["Layer3"].style.visibility="hidden";
      document.all["Layer4"].style.visibility="hidden";
	  document.all["Layer5"].style.visibility="hidden";
      document.all["Layer6"].style.visibility="hidden";
	  document.all["Layer7"].style.visibility="hidden";
      document.all["Layer8"].style.visibility="hidden";
	  document.all["Layer9"].style.visibility="hidden";
      document.all["Layer10"].style.visibility="hidden";
	  document.all["Layer11"].style.visibility="hidden";
      document.all["Layer12"].style.visibility="hidden";
      
      document.all["Layer13"].style.visibility="visible";
   }
   return;

}