var lastcall = 0;
var ijsimg = 9;
var jsimgdisplay = new Array(-0.9, -0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9);
var jsimgdisplay1 = new Array(-0.1, -0.2, -0.3, -0.4, -0.5, -0.6, -0.7, -0.8, -0.9, 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9);

var browser=navigator.appName;

function filter(x) 
{
        if(x == "load1" && lastcall == 1)
	{
		//return;
	}
        if(x == "load2" && lastcall == 2)
	{
		//return;
	}
	lastcall=0;
	if(x=="load1")lastcall=1;
	if(x=="load2")lastcall=2;
	if(x == "dec")
	{
		ijsimg -= 1;
		if(ijsimg < 0)
		{
			ijsimg = 0;
		}
	}
	if(x == "inc")
	{
		ijsimg += 1;
		if(ijsimg > 18)
		{
			ijsimg = 18;
		}
	}

	if(x == "reset") 
	{
		ijsimg = 9;
	}

	if(browser=="Microsoft Internet Explorer") 
	{
		ijsimgr = jsimgdisplay1[ijsimg];
	}
	else
	{
		ijsimgr = jsimgdisplay[ijsimg];
	}
	
	document.getElementById("spn1").innerHTML = imgstr();
	if(ijsimg!=9)jsImageFX.doImage(document.getElementById("imgdisp"), 'lighten(amount=' + ijsimgr + ')');
	sgn = ijsimg - 9;
	if(ijsimg>9)
	{
		sgn="+"+sgn;
	}
	document.getElementById("bspn").innerHTML = sgn;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function setdspladj()
{
	createCookie('jareksastrodspladj', ijsimg, 999);
	itmp = ijsimg - 9;
	if(itmp>0)
	{
		itmp = "+" + itmp;
	}
	document.getElementById("dspn").innerHTML = "[saved: "+itmp+"] <input type=\"button\" onClick=\"javascript:deldspladj();\" value=\"Clear\" style=\"font size:8pt\">";
}

function deldspladj()
{
	eraseCookie('jareksastrodspladj');
	document.getElementById("dspn").innerHTML = "";
}