// To avoid long text entered
function maxlength(field, maxlen) {
	//alert("hello1jaimin"+field.value.length);
	if (field.value.length > maxlen){
	//alert("hello"+field.value.length);
		field.value = field.value.substring(0, maxlen);
		alert("Sorry, maximum text entry only " + field.value.length + " chars length.");
	}
} 

// Popup function
function newWindow(a_str_windowURL, a_str_windowName, a_int_windowWidth, a_int_windowHeight, a_bool_scrollbars, a_bool_resizable, a_bool_menubar, a_bool_toolbar, a_bool_addressbar, a_bool_statusbar, a_bool_fullscreen) {
	var int_windowLeft = (screen.width - a_int_windowWidth) / 2;
	var int_windowTop = (screen.height - a_int_windowHeight) / 2;
	var str_windowProperties = 'height=' + a_int_windowHeight + ',width=' + a_int_windowWidth + ',top=' + int_windowTop + ',left=' + int_windowLeft + ',scrollbars=' + a_bool_scrollbars + ',resizable=' + a_bool_resizable + ',menubar=' + a_bool_menubar + ',toolbar=' + a_bool_toolbar + ',location=' + a_bool_addressbar + ',statusbar=' + a_bool_statusbar + ',fullscreen=' + a_bool_fullscreen + '';
	var obj_window = window.open(a_str_windowURL, a_str_windowName, str_windowProperties)
	if (parseInt(navigator.appVersion) >= 4) {
		obj_window.window.focus();
	}
}

function validate_required(field,alerttxt)
{
	with (field)
	{
		if (value==null||value=="")
			{alert(alerttxt);return false;}
		else {return true}
	}
}

function refresh_cam(){
	getCamJSON();
}

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];}
}