function checkPrice()
{
	var langFrom = document.getElementById("langFrom").value;
	var langTo = document.getElementById("langTo").value;
	if(langFrom == langTo) {
		alert("You should choose different languages!");
		return;
	}
	var params = "?langFrom=" + langFrom + "&langTo=" + langTo;
	
	var quality = document.getElementById("quality").value/1;
	params += "&quality=" + quality;
	for(u = 1; u < quality + 1; u++) {
		var lang = document.getElementById("langSelect" + u).value;
		if(langFrom == lang) {
			alert("You should choose different languages!");
			return;
		}
		params += "&lang" + u + "=" + lang;
	}
	
	var textarea = document.getElementById("text").value;
	var amount = 0;
	if(textarea != "") {
		var finish = false;
		var offset = 0;
		while(!finish) {
			offset = textarea.indexOf(" ", offset + 1);
			if(offset == -1) {
				finish = true;
			}
			amount++;
		}
	} else {
		amount = document.getElementById("amount").value;
	}
	params += "&amount=" + amount;
	
	var general = (document.getElementById("general").checked)?1:0;
	var technical = (document.getElementById("technical").checked)?1:0;
	var legal = (document.getElementById("legal").checked)?1:0;
	var reading = (document.getElementById("reading").checked)?1:0;
	var rush = (document.getElementById("rush").checked)?1:0;
	params += "&general=" + general + "&technical=" + technical + "&legal=" + legal + "&reading=" + reading + "&rush=" + rush;
//document.write("checkPrice.php" + params);
window.open("checkPrice.php" + params, null, 'height=200, width=450, status=no, toolbar=no');
//	net.ContentLoader("checkPrice.php" + params, onLoadPrice, onErrorPrice, "POST", params);
}

function onLoadPrice()
{
	var price = this.req.responseText;
	window.open('price_popup.html?price='+price, null, 'height=90, width=300, status=no, toolbar=no');

	/*document.getElementById("price_popup").innerHTML = price;
	unhidden('fon');
	unhidden('pop10');
	*/

}

function onErrorPrice()
{
	 alert('Error during loading price of this request');
}