var alpha ="@ABCDEFGHIJKLMNOPQRSTUVWXYZ:;./abcdefghijklmnopqrstuvwxyz0123456789_-";
var esue="NBJMUP;jogpsnAftv/db";
var mynew="";
var ch="a";
function fswap(inx) {
		mynew="";
		switch(inx) {
			case 1:
				esue="NBJMUP;jogpsnAftv/db";
				break;
			case 2:
				esue="NBJMUP;kdxsjhiuAtznqbujdp/db";
				break;
			case 3:
				esue="NBJMUP;ktbmmboAtznqbujdp/db";
				break;
			case 4:
				esue="NBJMUP;xjmnbkhAsphfst/dpn";
				break;
			case 5:
				esue="NBJMUP;tufmmb/xppeipvtfAtznqbujdp/db";
				break;
			case 6:
				esue="NBJMUP;hboelc113iAtznqbujdp/db";
				break;
			case 7:
				esue="NBJMUP;hbssz/upggpmjAsphfst/dpn";
				break;
			case 8:
				esue="NBJMUP;ftvAftv/psh";
				break;
			case 9:
				esue="NBJMUP;jogpAftvvt/psh";
				break;
			case 10:
				esue="NBJMUP;lbujf-cspdlAftv/psh";
				break;
			default:
				esue="NBJMUP;jogpsnAftv/db";
				break;
		}
		var lene=esue.length;
		var lena=alpha.length;
		for (i=0;i<lene;i++) {
			ch = esue.charAt(i);
			for (j=1;j<=lena;j++) {
				if (ch==alpha.charAt(j)) {
					mynew = mynew + alpha.charAt(j-1);
				}
			}
		}
		return mynew
	}
<!--- 1 main, 2 jcw, 3 jim, 4 wilma, 5 stella, 6 graham, 7 garry, 8 dh, 9 us, 10 Katie --->	
<!--- <a href="" onclick="this.href=fswap(1)">ABCD</a> --->