function openPopUp(url) {
	w = 700;
	h = 550;
	var left = (screen.width/2)-(w/2);
	var top = (screen.height/2)-(h/2);
	newwindow=window.open(url,'name','width=650,height=500, toolbar=no, top='+top+', left='+left+', status=no, scrollbars=yes, resize=yes, menubar=no');
	if (window.focus) {newwindow.focus()}
	return false;
}

var validate = "";

function disableFields() {
	
	document.getquote.txtStartpoint.disabled = true;
	document.getquote.cmbEndpoint.disabled = true;
	document.getquote.cmbStartpoint1.disabled = true;
	document.getquote.cmbEndpoint1.disabled = true;
	document.getquote.txtStartpoint1.disabled = true;
	document.getquote.txtEndpoint1.disabled = true;
	validate = 'first' ;
	
}

function enableFirst() {
	document.getquote.cmbStartpoint.disabled = false;
	document.getquote.txtEndpoint.disabled = false;
	document.getquote.txtStartpoint.disabled = true;
	document.getquote.cmbEndpoint.disabled = true;
	document.getquote.cmbStartpoint1.disabled = true;
	document.getquote.cmbEndpoint1.disabled = true;
	document.getquote.txtStartpoint1.disabled = true;
	document.getquote.txtEndpoint1.disabled = true;
	validate = 'first';
	
}
function enableSecond() {
	document.getquote.cmbStartpoint.disabled = true;
	document.getquote.txtEndpoint.disabled = true;
	document.getquote.txtStartpoint.disabled = false;
	document.getquote.cmbEndpoint.disabled = false;
	document.getquote.cmbStartpoint1.disabled = true;
	document.getquote.cmbEndpoint1.disabled = true;
	document.getquote.txtStartpoint1.disabled = true;
	document.getquote.txtEndpoint1.disabled = true;
	validate = 'second';
	
}

function enableThird() {
	document.getquote.cmbStartpoint.disabled = true;
	document.getquote.txtEndpoint.disabled = true;
	document.getquote.txtStartpoint.disabled = true;
	document.getquote.cmbEndpoint.disabled = true;
	document.getquote.cmbStartpoint1.disabled = false;
	document.getquote.cmbEndpoint1.disabled = false;
	document.getquote.txtStartpoint1.disabled = true;
	document.getquote.txtEndpoint1.disabled = true;
	validate = 'third';
	
}


function enableFourth() {
	document.getquote.cmbStartpoint.disabled = true;
	document.getquote.txtEndpoint.disabled = true;
	document.getquote.txtStartpoint.disabled = true;
	document.getquote.cmbEndpoint.disabled = true;
	document.getquote.cmbStartpoint1.disabled = true;
	document.getquote.cmbEndpoint1.disabled = true;
	document.getquote.txtStartpoint1.disabled = false;
	document.getquote.txtEndpoint1.disabled = false;
	validate = 'fourth';
	
}