[T-sh]

<script>
var A= new Array(
  new Array ('1','2','3'),
  new Array ('2','5','1'),
  new Array ('3','1','5')); 

 function Lin(x){
    var size=2;
    for (var dimension=0; dimension<size; dimension++){
        for (var i=dimension; i<size;){
            for(var j=dimension; j<size; j++){
                if(A[dimension][dimension]!=0){
                    A[dimension][j]=A[dimension][j]/A[dimension][dimension];
                    A[i+1][j]=A[i+1][j]-A[i+1][dimension]*A[dimension][j];
                    i++;
                    }
                else {
                    i++;
                    }
                }
            }
        }
		return A;
    }
alert(Lin());
</script>