function checkText(){
	text = document.getElementById("text").value.replace(/\r/g,"");
	count = text.length - text.split("\n").length+1;
	if(count>25)
		document.getElementById("text").value = text.substring(0,25+text.split("\n").length-1);
	enableSizes(count);
}

function enableSizes(count){
	//15 12 10 8 5
	if(count>15){
			setDisabled("big","disabled");
			if(document.getElementById("big").checked!="")
				document.getElementById("medium").checked="checked";
		} else setDisabled("big","");
	if(count>20){
			setDisabled("medium","disabled");
			if(document.getElementById("medium").checked!="")
				document.getElementById("small").checked="checked";
		} else setDisabled("medium","");
}

function setDisabled(id, disabled){
	document.getElementById(id).disabled=disabled;
	document.getElementById(id+"img").disabled=disabled;
	document.getElementById(id+"img").setAttribute("class",disabled);
	document.getElementById(id+"label").disabled=disabled;
	document.getElementById(id+"label").setAttribute("class",disabled);
}