var fDesc=new Array(); fDesc[0] = "FRAGSTATS is a program designed to compute a wide variety of landscape metrics for categorical map patterns. It simply quantifies the spatial heterogeneity of the landscape as represented in either a categorical map or continuous surface. You can establish a sound basis for defining and scaling the landscape in terms of thematic content and resolution and spatial grain and grain."; 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 = ''; } }