document.oncontextmenu = function() {
	return false;
}

//Disable select-text script (IE4+, NS6+)
function disableselect(e){
	var blnDoCheck = false;
	if (document.all || (e.target.tagName.toLowerCase() != "input" && e.target.tagName.toLowerCase() != "textarea")) {
		blnDoCheck = true;
	}
	
	if(blnDoCheck)
	{
		return false
	}
}
function reEnable(){
	return true
}
//if IE4+
document.onselectstart=new Function ("return false")
//if NS6
if (window.sidebar){
	document.onmousedown=disableselect
	document.onclick=reEnable
}

function displayunicode(e){
	var blnDoCheck = false;
	if (document.all || (e.target.tagName.toLowerCase() != "input" && e.target.tagName.toLowerCase() != "textarea")) {
		blnDoCheck = true;
	}
	
	if(blnDoCheck)
	{
		var evtobj=window.event? event : e
		var unicode=evtobj.keyCode? evtobj.keyCode : evtobj.charCode
		if (unicode == 97 && evtobj.ctrlKey || unicode == 97 && evtobj.metaKey) {
			evtobj.preventDefault();
		}
		if (unicode == 99 && evtobj.ctrlKey || unicode == 99 && evtobj.metaKey) {
			evtobj.preventDefault();
		}
	}
}
document.onkeypress=displayunicode;