function SortIt(TheArr,us,u,vs,v,ws,w,xs,x,ys,y,zs,z){
// us-zs: 1=asc, -1=desc.  u-z: column-numbers.  See example

	if(u==undefined){TheArr.sort(Sortsingle);} // if this is a simple array, not multi-dimensional, ie, SortIt(TheArr,1): ascending.
	else{TheArr.sort(Sortmulti);}

	function Sortsingle(a,b){
		var swap=0;
		if(isNaN(a-b)){
			if((isNaN(a))&&(isNaN(b))){swap=(b<a)-(a<b);}
			else {swap=(isNaN(a)?1:-1);}
		}
		else {swap=(a-b);}
		return swap*us;
	}
  	function Sortmulti(a,b){
  	var swap=0;
    if(isNaN(a[u]-b[u])){
      if((isNaN(a[u]))&&(isNaN(b[u]))){swap=(b[u]<a[u])-(a[u]<b[u]);}
      else{swap=(isNaN(a[u])?1:-1);}
    }
    else{swap=(a[u]-b[u]);}
    if((v==undefined)||(swap!=0)){return swap*us;}
    else{
      if(isNaN(a[v]-b[v])){
        if((isNaN(a[v]))&&(isNaN(b[v]))){swap=(b[v]<a[v])-(a[v]<b[v]);}
        else{swap=(isNaN(a[v])?1:-1);}
      }
      else{swap=(a[v]-b[v]);}
      if((w==undefined)||(swap!=0)){return swap*vs;}
      else{
        if(isNaN(a[w]-b[w])){
          if((isNaN(a[w]))&&(isNaN(b[w]))){swap=(b[w]<a[w])-(a[w]<b[w]);}
          else{swap=(isNaN(a[w])?1:-1);}
        }
        else{swap=(a[w]-b[w]);}
        if((x==undefined)||(swap!=0)){return swap*ws;}
        else{
          if(isNaN(a[x]-b[x])){
            if((isNaN(a[x]))&&(isNaN(b[x]))){swap=(b[x]<a[x])-(a[x]<b[x]);}
            else{swap=(isNaN(a[x])?1:-1);}
          }
          else{swap=(a[x]-b[x]);}
          if((y==undefined)||(swap!=0)){return swap*xs;}
          else{
            if(isNaN(a[y]-b[y])){
              if((isNaN(a[y]))&&(isNaN(b[y]))){swap=(b[y]<a[y])-(a[y]<b[y]);}
              else{swap=(isNaN(a[y])?1:-1);}
            }
            else{swap=(a[y]-b[y]);}
            if((z=undefined)||(swap!=0)){return swap*ys;}
            else{
              if(isNaN(a[z]-b[z])){
                if((isNaN(a[z]))&&(isNaN(b[z]))){swap=(b[z]<a[z])-(a[z]<b[z]);}
                else{swap=(isNaN(a[z])?1:-1);}
              }
              else{swap=(a[z]-b[z]);}
              return swap*zs;
			} 
		  } 
		} 
	  } 
	} 
  } 
}