var fDesc=new Array(); fDesc[0] = "Perspective Rectifier is a program that permits to rectify pictures to do a survey from digital or traditional photos. It allows you to perform measures of distance, perimeter and area directly on the images. With the geometric rectification, defining the vanishing lines and specifying two measures, the program rectifies and scales the photo of the building to survey."; 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 = ''; } }