var win=null;

function OpenNewWindow(mypage,myname,w,h,scroll,pos){

	if(pos=="random"){
		LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
		TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
	}
	if(pos=="center"){
		LeftPosition=(screen.width)?(screen.width-w)/2:100;
		TopPosition=(screen.height)?(screen.height-h)/2:100;
	}
	else if((pos!="center" && pos!="random") || pos==null){
		LeftPosition=0;
		TopPosition=20
	}
	settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	win=window.open(mypage,myname,settings);
	if(win.focus){
		win.focus();
	}
}

function CloseNewWindow(){
	if(win!=null && win.open) win.close()
}



function IsAlfaNumeric(str){
	var myRegExp = /[^a-z\d ]/i;
	return !(myRegExp.test(str));
}


function GetBrowserName(){
	var lsBrowser = navigator.appname;
	if(lsBrowser.indexOf("Microsoft") >= 0){
		lsBrowser = "MSIE";
	}
	else if (lsBrowser.indexOf("Netscape") >= 0){
		lsBrowser = "NETSCAPE"; 
	}
	else{
		lsBrowser = "UNKNOWN";
	}
	return lsBrowser;
}

function IsValidEmail(str) {
	var myRegExp =  /^[a-z0-9\._-]+@+[a-z0-9\._-]+\.+[a-z]{2,3}$/;
	return (myRegExp.test(str));
}

function IsValidUrl(str) {
	var myRegExp =  /http:\/\/[a-z0-9\._-]+/;
	return (myRegExp.test(str));
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}