function zmien(grafika,plik,str)
{
 document.images[grafika].src = plik;
 document.getElementById("moja").innerText = str;
 document.getElementById("moja").innerHTML = str;
}

var timeout	= 100;
var closetimer	= 1000;
var nullItem	= 0;

function mopen(id)
{	
 mcancelclosetime();
 if(nullItem) nullItem.style.visibility = 'hidden';
 nullItem = document.getElementById(id);
 nullItem.style.visibility = 'visible';
}

function mclose()
{
 if(nullItem) nullItem.style.visibility = 'hidden';
}

function mclosetime()
{
 closetimer = window.setTimeout(mclose, timeout);
}

function mcancelclosetime()
{
 if(closetimer)
 {
  window.clearTimeout(closetimer);
  closetimer = null;
 }
}

document.onclick = mclose;

function formStart()
{
document.forms.formularz.PM_05.value = 0;
document.forms.formularz.PC_12.value = 0;
document.forms.formularz.PC_14.value = 0;
document.forms.formularz.PC_16.value = 0;
document.forms.formularz.PC_6016.value = 0;
document.forms.formularz.PC_17.value = 0;
document.forms.formularz.PC_22.value = 0;
document.forms.formularz.PC_28.value = 0;
document.forms.formularz.P_11.value = 0;
}

function increase1(elementName)
{
document.getElementById(elementName).value++;
}

function decrease1(elementName)
{
if (document.getElementById(elementName).value>0)
	{
	document.getElementById(elementName).value--;
	}
else
	{
	document.getElementById(elementName).value = 0;
	}
}

function increase5(elementName)
{
val5 = document.getElementById(elementName).value;
val5n = parseInt(val5) + 5;
document.getElementById(elementName).value = val5n;
}

function decrease5(elementName)
{
val5 = document.getElementById(elementName).value;
if (val5>4)
	{
	val5n = parseInt(val5) - 5;
	document.getElementById(elementName).value = val5n;
	}
else
	{
	val5n = 0;
	}
}

function increase25(elementName)
{
val25 = document.getElementById(elementName).value;
val25n = parseInt(val25) + 25;
document.getElementById(elementName).value = val25n;
}

function decrease25(elementName)
{
val25 = document.getElementById(elementName).value;
if (val25>24)
	{
	val25n = parseInt(val25) - 25;
	document.getElementById(elementName).value = val25n;
	}
else
	{
	val25n = 0;
	}
}