function hide(id) {
    try {var e = document.getElementById(id);
    e.style.display = 'none'} catch(ex) {}
}

function show(id) {
    try {var e = document.getElementById(id);
    e.style.display = 'block'} catch(ex) {}
}

function setvisible(id,visible) {
    try {var e = document.getElementById(id);
    if (visible) {e.style.display = 'block'}
    else {e.style.display = 'none'}
    } catch(ex) {}
}

function enable(id) {
    try {var e = document.getElementById(id);
    e.disables = false} catch(ex) {}
}

function disable(id) {
    try {var e = document.getElementById(id);
    e.disabled = true} catch(ex) {}
}

function setstate(id,state) {
    try {var e = document.getElementById(id);
    e.disabled = !state} catch(ex) {}
}
    
function popupWindow(link,attribs) { 
    var popupWindow = null; 
    popupWindow = window.open(link,'winPopup',attribs);  
}

function getStyle(e, rule){
	if(document.defaultView && document.defaultView.getComputedStyle){
		return document.defaultView.getComputedStyle(e, "").getPropertyValue(rule);
	}
	else if(e.currentStyle){
		rule = rule.replace(/\-(\w)/g, function (strMatch, p1){return p1.toUpperCase();});
		return e.currentStyle[rule];
	}
}