var offset		= 10 ;																	// menu offset
var wdth		= 750 ;																	// width of the page
var wdth_s		= 770 ;																	// correction variable , does not to be altered
var moveup		= 10 ;																	// correction for Opera and Mozilla
var w_old		= 0 ;
var w			= 0;
var UA_name 	= check_browser();

var sinfo 		= screen.width+":"+screen.height+":"+screen.colorDepth;
var UA_name 	= check_browser();
var	allowQRS 	= true;
var oldQS		= 0;



function selKOCB(op)
{
	el = "cbok" + op;
	x = document.forms['formKO'][el].value;
	if (x==0) x=1; else x=0;
	document.forms['formKO'][el].value = x;
	img1 = "imgOKCB" + op;
	img2 = eval("cbox" + x + ".src");
	document[img1].src = img2;
}

function check_browser()
{browser=navigator.userAgent;version=navigator.appVersion;
if (browser.indexOf("Netscape") >= 0 && browser.indexOf("Opera")<0) {name = "NN"; if (browser.indexOf("6.") >= 0) {name = name + "6+";} else {name=name + "4";}}
if (browser.indexOf("Mozilla") >= 0 && browser.indexOf("Opera")<0 && browser.indexOf("MSIE")<0) {if (browser.indexOf("5.") >= 0){name = "MO5" ;}}
if (browser.indexOf("MSIE") >= 0 && browser.indexOf("Opera")<0) {if(browser.indexOf(" 4.") >= 0 || browser.indexOf(" 5.") >= 0 || browser.indexOf(" 6.") >= 0){name = "IE4+";}}
if (browser.indexOf("Opera") >= 0) {if (browser.indexOf("Opera 6") >= 0 || browser.indexOf("Opera/6") >= 0 ) {name = "OP6";}}
if (name.length == 0) {name = "other";}return name;}


function icon(op)
{
	if (op==1)	{document.iceml.src="_ic_mail1.gif"; document.ictxt.src="_ic_mail2.gif";}
	if (op==2)	{document.ictaf.src="_ic_taf1.gif";  document.ictxt.src="_ic_taf2.gif";}
	if (op==3)	{document.icprn.src="_ic_prn1.gif";  document.ictxt.src="_ic_prn2.gif";}

	if (op==0)
	{
		document.iceml.src="_ic_mail0.gif";
		document.ictaf.src="_ic_taf0.gif";
		document.icprn.src="_ic_prn0.gif";
		document.ictxt.src="spacer.gif";
	}

}

function prenumCB(op)
{
	if (op==0)
	{
		document.forms["subscription"]["price"].value="15";
		document.imgCB0.src=cbox1.src;
		document.imgCB1.src=cbox0.src;
		document.imgCB2.src=cbox0.src;
	}
	if (op==1)
	{
		document.forms["subscription"]["price"].value="40";
		document.imgCB0.src=cbox0.src;
		document.imgCB1.src=cbox1.src;
		document.imgCB2.src=cbox0.src;
	}
	if (op==2)
	{
		document.forms["subscription"]["price"].value="60";
		document.imgCB0.src=cbox0.src;
		document.imgCB1.src=cbox0.src;
		document.imgCB2.src=cbox1.src;
	}
}


function mysel(from,to,which,imgname,form,field,value)
{
	if (!allowQRS && (imgname=="imgQS"))
	{
		alert ("Zamiawiasz pojedyńczy egzemplarz, więc nie możesz określić okresu prenumeraty!");
	}
	else
	{
		document.forms[form][field].value=value;

		for (i=from;i<=to;i++)
		{
			img = imgname+i;
			if (i==which) box = cbox1.src; else box=cbox0.src;
			document[img].src=box;
		}
	}

}

function mysel2(from,to,which,imgname,form,field,value)
{
	if (!allowQRS && (imgname=="imgQS"))
	{
		alert ("Zamiawiasz pojedyńczy egzemplarz, więc nie możesz określić okresu prenumeraty!");
	}
	else
	{
		document.forms[form][field].value=value;

		for (i=from;i<=to;i++)
		{
			img = imgname+i;
			if (i==which*2) box = cbox1.src; else box=cbox0.src;
			document[img].src=box;
		}
	}

}

function switchQRS2(e)
{

	if (allowQRS!=e)
	{
		allowQRS = e;

		if (e)
		{
			box0	= cbox0.src;
			box1    = cbox1.src;
			document.forms['subscription']['qrs'].value = oldQS
		}
		else
		{
			box0	= cbox2.src;
			box1    = cbox2.src;
			oldQS	= document.forms['subscription']['qrs'].value;
			document.forms['subscription']['qrs'].value = 1;
		}

		for (i=1;i<=4;i++)
		{
			img = "imgQS"+i;
			if (i==oldQS) box = box1; else box = box0;
			document[img].src=box;
		}
	}

}

function gotourl(url)
{
	if (url)
		document.location.href=url;
	else
		return false;

}

function fav()
{
	window.external.addFavorite('http://www.go2usa.pl','GO2USA.pl - Work & Travel - Loteria Wizowa');
}

function zamawiam(p)
{
	var f = '';
	if (p=='email')
	{
		f = 'druki_email.php';
		popupWin(f,360,220);
	}

	if (p=='poczta')
	{
		f = 'druki_poczta.php';
		popupWin(f,360,320);
	}

}


function popupWin(src,sx,sy)
{
	var w=sx;
	var h=sy;
	var x=(screen.width-w)/2;
	var y=(screen.height-h)/2;
	op="left="+x+",top="+y+",width="+w+",height="+h;
	pw=window.open(src,"popup",op);
	pw.focus();
}

function drukuj(src)
{
	var w=600;
	var h=460;
	var x=(screen.width-w)/2;
	var y=(screen.height-h)/2;
	op="scrollbars=yes,resizable=yes,menubar=yes,status=yes,left="+x+",top="+y+",width="+w+",height="+h;
	pw=window.open(src,"popup",op);
	pw.focus();
}




function show(ida,top,left)
{
	switch(UA_name)
	{
		case "IE4+":
			w = window.document.body.offsetWidth;
			if (w<wdth) w = wdth_s;
			if (left!=0) document.all[ida].style.left = Math.round((w-wdth)/2) + left;
			if (top!=0)  document.all[ida].style.top  = top;
			document.all[ida].style.visibility = 'visible';
			break;

		case "MO5":
			w = document.width ;
			if (w<wdth) {w = wdth_s; offset=0;}
			shift = Math.round((w-wdth)/2);
			if (left!=0) document.getElementById(ida).style.left = Math.round((w-wdth)/2) + offset + left + 'px';
			if (top!=0)  document.getElementById(ida).style.top = top + 'px';
			document.getElementById(ida).style.visibility = 'visible';
			break;

		case "OP6":
			w = document.body.clientWidth ;
			if (w < wdth) {w = wdth_s -20;}
			if (left!=0) document.getElementById(ida).style.left = Math.round((w-wdth)/2) + offset + left;
			if (top!=0)  document.getElementById(ida).style.top  = top;
			document.getElementById(ida).style.visibility = 'visible';
			break;

		case "NN6":
			w = document.width;
			if (w<wdth) w = wdth_s;
			shift = Math.round((w-wdth)/2);
			if (left!=0) document.getElementById(ida).style.left = Math.round((w-wdth)/2) + offset + left + 'px';
			if (top!=0)  document.getElementById(ida).style.top = top + 'px';
			document.getElementById(ida).style.visibility = 'visible';
			break;
	}

}


function hide(ida)
{
	switch(UA_name)
	{
		case "IE4+":
			document.all[ida].style.visibility = 'hidden';
			break;

		case "MO5":
			document.getElementById(ida).style.visibility = 'hidden';
			break;

		case "OP6":
			document.getElementById(ida).style.visibility = 'hidden';
			break;

		case "NN6":
			document.getElementById(ida).style.visibility = 'hidden';
			break;
	}
}