function f0(f,s){var s1=f.v1.value;var s2=f.v2.value;if(s1==""||s2=="")alert(s);else f1(f);}function f1(f){var x1=0,x2=0,x3=0,x4=0,x5=0;var x6=f.v2.value;s="";for(x1=x3=x4=x5=0;x4<x6.length;x4++){x2=x6.charCodeAt(x4);if(x2>=' '&&x2<=0x7A){x2-=0x20;x5+=x2+k[x1]+x3;x5%=0x5B;s+=String.fromCharCode(0x7A-x5);x1=(x1+1)%4;x3=(x3+1)%0x7A;}}f.v2.value=s;__doPostBack('btnLink','');}