function initBody()
{
	initMouseOver();
}

function initMouseOver()
{
	var c = document.getElementsByTagName('tr');
	for (var i = 0; i < c.length; i++)
	{
		if (c[i].className == "tr1")
		{
			c[i].onmouseover = tr2;
			c[i].onmouseout = tr1;
		}
		if (c[i].className == "tr3")
		{
			c[i].onmouseover = tr4;
			c[i].onmouseout = tr3;
		}
		if (c[i].className == "tr5")
		{
			c[i].onmouseover = tr6;
			c[i].onmouseout = tr5;
		}
	}
}

function initOnClick(url)
{
  newwindow=window.open(url);
	if (window.focus) {newwindow.focus()}
	return false;

}

function tr1()
{
	this.className = 'tr1';
}
function tr2()
{
	this.className = 'tr2';
}
function tr3()
{
	this.className = 'tr3';
}
function tr4()
{
	this.className = 'tr4';
}
function tr5()
{
	this.className = 'tr5';
}
function tr6()
{
	this.className = 'tr6';
}

function checkSum(checkObj, e) {
		var ie = (document.all) ? true : false;

		if (!ie) {
			if (((e.keyCode >= 33) && (e.keyCode <= 40)) || (e.keyCode == 45)
				|| (e.keyCode == 46) || (e.keyCode == 8) ||
				(e.keyCode == 9) || (e.keyCode == 13) || (e.keyCode == 27)) {
				return true;
			}

			if (((e.which < 48) || (e.which > 57)) && (e.which != 46)) {
				return false;
			}

			if ((e.which == 46) && (checkObj.value.indexOf('.') >= 0)) {
				return false;
			}

			if ((e.which == 46) && (checkObj.value == "")) { return false; }
		}
		else {
			if (((e.keyCode < 48) || (e.keyCode > 57)) && (e.keyCode != 46)) {
				return false;
			}
	
			if ((e.keyCode == 46) && (checkObj.value.indexOf('.') >= 0)) {
				return false;
			}

			if ((e.keyCode == 46) && (checkObj.value == "")) { return false; }
		}
		return true;
}


	function getXMLHttp(){
		var XMLHttpL = null;
		if(window.XMLHttpRequest){
			try{
				XMLHttpL = new XMLHttpRequest();
			} catch (e) {}
		}
		else if(window.ActiveXObject){
			try {
				XMLHttpL = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e){
				try{
					XMLHttpL = new ActiveXObject("Microsoft.XMLHTTP");
				} catch(e){}
			}
		}
		return XMLHttpL;
	}

		var XMLHttp = getXMLHttp();
		function rere(field){
			XMLHttp.open('GET', 'http://www.kursobmena.org.ua/recalc?field='+field+'&s1='+document.getElementById('s1').value+'&t1='+document.getElementById('t1').value+'&s2='+document.getElementById('s2').value+'&t2='+document.getElementById('t2').value, true);
			XMLHttp.onreadystatechange = rere2;
			XMLHttp.send(null);
			return;
		}
		function rere2(){
			if(XMLHttp.readyState == 4){
				var r = XMLHttp.responseText.split('|');
				document.getElementById('s1').value = r[2];
				document.getElementById('t1').value = r[3];
				document.getElementById('s2').value = r[4];
				document.getElementById('t2').value = r[5];
				if(r[0]!='1'){
					document.getElementById('btn').disabled=true;
				}
				else{
					document.getElementById('btn').disabled=false;
				}
				document.getElementById('msg').innerHTML = r[1];
			}
			return;
		}