/**
* Prevent right click 
*/
//bV = parseInt(navigator.appVersion); 
//bNS = navigator.appName=='Netscape';
//bIE = navigator.appName=='Microsoft Internet Explorer'; 
//function nrc(e) { 
//  var am = 'Right click has been disabled. All images are copyright'
//  if ((bNS && e.which > 1) || (bIE && (event.button >1))) { 
// 	if (bNS) e.returnValue = false;
//     alert(am); 
//     return false;
//  }
//} 
//document.onmousedown = nrc; 
//if (document.layers) window.captureEvents(Event.MOUSEDOWN);
//if (bNS && bV<5) window.onmousedown = nrc(); 


var message="Right click has been disabled. All images are copyright";

function isNS(){
    return document.layers||(document.getElementById&&!document.all);
}

function clickIE(){
	//if (document.all) {
		alert(message);
		return false;
	//}
}
 
function clickNS(e) {
	if(isNS()){
		if (e.which==2||e.which==3) {
			alert(message);
			return false;
		}
	}
}

if (document.layers){
	document.captureEvents(Event.MOUSEDOWN);
	document.onmousedown=clickNS;
}else{
	document.onmouseup=clickNS;
	document.oncontextmenu=clickIE;
}
 
if (navigator.appName=='Netscape') {document.oncontextmenu=new Function("return false");}


/**
* Image swap for mouse event image swapping 
*/
function Swap(imageID, image) {
	document.getElementById(imageID).src = eval(image + ".src");
    return true;
}

function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
 }
 
 function numericOnly(e){ 
    var keynum; 
    var keychar; 
    var numcheck;
    if(window.event) { // IE 
        keynum = e.keyCode;
    } else if(e.which) { // Netscape/Firefox/Opera 
        keynum = e.which; 
    }
    keychar = String.fromCharCode(keynum);
    numcheck = /\d/;
    e.returnValue = numcheck.test(keychar);
}//end numericOnly

function trim(str) 
{
	while (str.substring(0,1) == ' '){
		str = str.substring(1, str.length);
	}
	while (str.substring(str.length-1, str.length) == ' '){
		str = str.substring(0,str.length-1);
	}
	return str;
}