function showDiv(divname) {
        
    document.getElementById('editor').style.visibility= (divname=="editor" ? "visible" : "hidden");
    document.getElementById('visual').style.visibility= (divname=="visual" ? "visible" : "hidden");
    document.getElementById('debugger').style.visibility= (divname=="debugger" ? "visible" : "hidden");
    document.getElementById('compare').style.visibility= (divname=="compare" ? "visible" : "hidden");
    document.getElementById('history').style.visibility= (divname=="history" ? "visible" : "hidden");
    document.getElementById('feature_summary').style.visibility= (divname=="feature_summary" ? "visible" : "hidden");

}

function doDownload(pid) {


	firstpart="http://www.taurensys.com/Down";
	secondpart="load.aspx?pi";
	thirdpart="d=";

	location.href=firstpart+secondpart+thirdpart+pid;
}

function checkform (form) {
		
	if (form.first_name.value=="") {
		alert("Please enter your first name");
		return false;
	}

	if (form.last_name.value=="") {
		alert("Please enter your last name");
		return false;
	}

	if (form.email.value=="") {
		alert("Please enter a valid email address");
		return false;
	}

	if (form.comment.value=="") {
		alert("Please enter some problem description or comment");
		return false;
	}

	return true;
		

}