function expandcontract(tbodyid,ClickIcon) {
if (document.getElementById(ClickIcon).innerHTML == "+"){
document.getElementById(tbodyid).style.display = "";
document.getElementById(ClickIcon).style.backgroundImage = "url(images/sh_gore.gif)";
document.getElementById(ClickIcon).innerHTML = "-";
} else {
document.getElementById(tbodyid).style.display = "none";
document.getElementById(ClickIcon).style.backgroundImage = "url(images/sh_dole.gif)";
document.getElementById(ClickIcon).innerHTML = "+";
}}