function printWindow(){
   bV = parseInt(navigator.appVersion)
   if (bV >= 4) window.print()
}


function hideshow(which) {
	if (!document.getElementById|document.all) { return	}
	else {
		img = eval("document.img_" + which);
		if (document.getElementById) {
			oWhich = eval ("document.getElementById('" + which + "')")
		} else {
			oWhich = eval ("document.all." + which)
		}
	}

	//window.focus()
	if (oWhich.style.display=="none") {
		oWhich.style.display="";
		img.src = '/img/minus.gif';
	} else {
		oWhich.style.display="none";
		img.src = '/img/plus.gif';
	}
}


function check(formname,chkfield) {
	document.forms[formname].elements[chkfield].checked=!(document.forms[formname].elements[chkfield].checked);
}

function displayWindow(url, width, height) {
        var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=yes,scrollbars=yes,menubar=no' );
}