function tog(iddt,idimg){

if (document.getElementById(iddt).style.display=="none"){
document.getElementById(iddt).style.display="block";
document.getElementById(idimg).src="image/arrow2.gif";
}
else{
document.getElementById(iddt).style.display="none";
document.getElementById(idimg).src="image/arrow.gif";

}


//document.getElementById("webtable").style.display=="none";

}