var tgs = new Array('div','td','h6','h5','h4');
var tgs2 = new Array('h4');
var szs = new Array( '11px','13px','16px' );
var startsz = '';

function getURLParam(strParamName){
  var strReturn = "x";
  var strHref = window.location.href;
  if ( strHref.indexOf("&") > -1 ){ 
    var strQueryString = strHref.substr(strHref.indexOf("&")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if ( aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return strReturn;
}

startsz = getURLParam('startsz');


function ts( tgs,trgt,inc ) { 

        if (!document.getElementById) return;
        var d = document,cEl = null,sz,i,j,cTags;
        
        sz = inc;
        if ( sz < 0 ) sz = 0;
        if ( sz > 2 ) sz = 2;
        startsz = sz;
                
        if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];
        if (!cEl) return;

        cEl.style.fontSize   = szs[ sz ];
        if (inc==2) cEl.style.lineHeight = '22px';
        else        cEl.style.lineHeight = '18px';


        for ( i = 0 ; i < tgs.length ; i++ ) {
                cTags = cEl.getElementsByTagName( tgs[ i ] );
                for ( j = 0 ; j < cTags.length ; j++ ){ 
                        cTags[ j ].style.fontSize = szs[ sz ]; 
                        if (inc==2) cTags[ j ].style.lineHeight = '22px';
                        else        cTags[ j ].style.lineHeight = '18px';       


                }
        }
}

function setCoo(size)
{
    document.cookie='rozmiar_czcionki='+size+'; path=/';
}

function getCoo(cookie)
{
    var position = cookie.indexOf("rozmiar_czcionki");
    if (position != -1) {
        return cookie.substr(position+17, 1);
    }
    return -1;
}