function check(war1,war2){
	var obarray = document.getElementsByTagName('input');
	for(var e=0;e<obarray.length;e++){
		if(obarray[e].id!=null && (obarray[e].id.indexOf(war1)!=-1 || obarray[e].id.indexOf(war2)!=-1)) {
			obarray[e].value='';
			obarray[e].blur();
			//obarray[e].focus();
		}
	}
}

var oldFontSize = new Array();
//var newFontSize = new Array();
var tagsTab = new Array("html", "head", "meta", "form", "style", "script", "title", "link", "img", "tbody", "br");


function changeFontSize(inc)
{
	var allTagsTab = document.getElementsByTagName('*');
	var allTagsTabLength = allTagsTab.length;
	if(oldFontSize.length==0){
		for (var i=0; i < allTagsTabLength; i++){
			if(0 > tagsTab.indexOf(allTagsTab[i].tagName.toLowerCase())){
				var compStyle = getComputedStyle(allTagsTab[i], "");
				var fontsize = compStyle.getPropertyValue("font-size");
				oldFontSize[i] = eval(fontsize.split("px")[0]);
				//newFontSize[i] = eval(fontsize.split("px")[0]) + inc;
			}
		}
	}
	
	for (var i=0; i < allTagsTabLength; i++){
		if(0 > tagsTab.indexOf(allTagsTab[i].tagName.toLowerCase())){
			allTagsTab[i].style.fontSize= eval(oldFontSize[i]) + inc +"px";
			//alert("old font size: " + oldFontSize[i] + " new font size " + eval(eval(oldFontSize[i]) + inc));
		}
		if(allTagsTab[i].id == "p1" || allTagsTab[i].id == "p2" || allTagsTab[i].id == "p3"){
			document.getElementById(allTagsTab[i].id).style.height = 360 + inc * 34 + "px";
		}
		if(allTagsTab[i].id == "stopka1"){
			document.getElementById(allTagsTab[i].id).style.height = 80 + inc * 10 + "px";
		}
		if(allTagsTab[i].id == "definicja" || allTagsTab[i].id == "cel"){
			document.getElementById(allTagsTab[i].id).style.height = 440 + inc * 34 + "px";
		}
	}
	setCookie("increase",inc);	
}


function setCookie(c_name,value){
	var exdate=new Date();
	exdate.setDate(exdate.getDate() + 36500);
	var c_value=escape(value) + "; expires="+exdate.toUTCString();
	document.cookie=c_name + "=" + c_value;
}
function getCookie(c_name){
	var i,x,y,ARRcookies=document.cookie.split(";");
	for (i=0;i<ARRcookies.length;i++){
		x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
		y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
		x=x.replace(/^\s+|\s+$/g,"");
		if (x==c_name){
			return unescape(y);
		}
	}
}
function checkCookie(active){
	var increase=getCookie("increase");
	if (increase!=null && increase!="" && active=="false"){
		changeFontSize(parseInt(increase));
	}
}