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_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_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];}
}

submit = false;

function disableButton(obj, value, warning)
{
	
        if ( submit ) {
                alert(warning);
                return false;
        }

        obj.value = value;
        submit 	  = true;

        return true;
}

function getRandomNum(lbound, ubound)
{
	return (Math.floor(Math.random() * (ubound - lbound)) + lbound);
}

function getRandomChar()
{
	var charSet = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
	return charSet.charAt(getRandomNum(0, charSet.length));
}

function getPassword(length)
{
	var str = "";
	if (length > 0) {
		for (i=1; i <= length; i++) {
			str += getRandomChar();
		}
	}

	return str;
}

function popup(url, name, width, height)
{
	var left = ((screen.width-width)/2);
	var top  = ((screen.height-height)/2);

	window.open(url, name, 'width='+width+',height='+height+',top='+top+',left='+left);
}