propttle="Beech"
var propnum=2
propnme = new Array(2)
propval = new Array(2)
propunt = new Array(2)
propnme[1]="Density"
propval[1]="630 to 720"
propunt[1]="kgm<sup>-3</sup>"
propnme[2]="Youngs modulus"
propval[2]="12000000000"
propunt[2]="Nm<sup>-2</sup>"