function getCookie(c_name){
	if (document.cookie.length>0){
		c_start=document.cookie.indexOf(c_name + "=")
		if (c_start!=-1){ 
			c_start=c_start + c_name.length+1 
			c_end=document.cookie.indexOf(";",c_start)
			if (c_end==-1) 
				c_end=document.cookie.length
			return unescape(document.cookie.substring(c_start,c_end))
		}
	}
	return null
}
function setCookie(c_name,value,expireminutes){
	var exdate=new Date()
	exdate.setTime(exdate.getTime()+(expireminutes*60*1000))
	document.cookie=c_name+ "=" +escape(value)+ ((expireminutes==null) ? "" : "; expires="+exdate)
}

function openTJO(elem){
	if(elem.options[elem.selectedIndex].value!=""){
		window.open(elem.options[elem.selectedIndex].value)
	}
}
function clearSearchField(elem, value){
	if(value == "---Wprowadź szukany tekst---"){
		elem.value = ""
		elem.focus();
	}else if(value == ""){
		elem.value = "---Wprowadź szukany tekst---"
	}
}
function chekSearchField(form, elemName){
	var searchElem = form.elements[elemName];
	var searchValue = trim(searchElem.value)
	if( searchValue.length < 3 ){
		alert("Musisz wprowdzić przynajmniej 3 niepuste znaki");
		searchElem.value = searchValue
		searchElem.focus();
		return false;
	}else if(searchValue == "---Wprowadź szukany tekst---"){
		alert("Wprowadź szukany tekst");
		searchElem.value = searchValue
		searchElem.focus();
		return false;
	}
}
function trim(inputString) {
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { 
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { 
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { 
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); 
   }
   return retValue;
} 
function frameset()
{
if (parent.frames.length != 0)
{
window.top.location = "http://www.zus.pl/bip";
}
}