String.prototype.trim = new Function("return this.replace(/\\s+$|^\\s*/gi,'');");

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) { //v4.0
	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 && document.getElementById) x=document.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];}
}

function GetDocObj(elementID){
	element = window.document.getElementById(elementID);
	return element;
}

function ValidateLogin(usernameID, passwordID, usernameMsg, passwordMsg){
	var IsOK = true;

	try{
		if (GetDocObj(usernameID).value.trim().length == 0){
			alert(usernameMsg);
			GetDocObj(usernameID).focus();
			IsOK = false;
		}
		if (IsOK && GetDocObj(passwordID).value.trim().length == 0){
			alert(passwordMsg);
			GetDocObj(passwordID).focus();
			IsOK = false;
		}
	}catch(e){
		IsOK = false;
		//alert(e);
	}

	return IsOK;
}