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) { //v3.0
  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); 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 Trim(s) {
	while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r')) 
		s = s.substring(1,s.length);
	while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r')) 
		s = s.substring(0,s.length-1);
	return s;
}
function populateSelectbox(obj,value) {
	if(obj) {
		for(i = 0; i<obj.length; i++)
			if (obj[i].value.toLowerCase() == value.toLowerCase())
				obj[i].selected = true;
	}
}
function IsvalidEmail(mailid) {		
	var str=mailid
	var flag=true;
	var at="@";
	var dot=".";
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)

	if (str.indexOf(at)==-1)
		flag=false;
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
		flag=false;
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		flag=false;
	if (str.indexOf(at,(lat+1))!=-1)
		flag=false;
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		flag=false;
	if (str.indexOf(dot,(lat+2))==-1)
		flag=false;
	if (str.indexOf(" ")!=-1)
		flag=false;
	if(flag)
		return true;
	else
		return false;
}
function frmValidatelogin(frm) {
	str=""
	if((frm.txt_username.value)=="") {
		str +="Username.\n";
	}
	if((frm.txt_password.value)=="") {
		str +="Password.\n";
	}
	if (str!="") {
		msg="Please enter the following details:\n";
		msg = msg + "----------------------------------------\n";
		msg = msg + str;
		alert(msg);
		return false;
	}
	else {
		frm.submit();
		return true;
	}
}
function changeimage(id,src) {
	document.getElementById(id).src = src;
}
function deleteitem(prodname) {
	document.getElementById("delitem").value = prodname;
	document.frmCart.submit();
	return false;
}
function updatecart() {
	document.frmCart.mode.value = "update";
	document.frmCart.submit();
}
function isNumberKey(evt) {
	var charCode = (evt.which) ? evt.which : evt.keyCode
	if (charCode > 31 && (charCode < 48 || charCode > 57))
		return false;
	return true;
}