var fDesc=new Array(); fDesc[0] = "This extension provides you with tools to generate a variety of surface characteristics of a landscape, using both projected and unprojected (i.e. latitude / longitude) digital elevation model (DEM) rasters. These tools include: Surface Area and Ratio of a landscape; Slope, with 3 slope algorithm options; Aspect, with 3 aspect algorithm options; Hillshade, with optional hypsometric tinting; Multi-directional Oblique-Weighted Hillshade, with optional hypsometric tinting; Seven types of Landscape Curvature."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }