/*

flights.js

DMR Limited 2010

*/
function getCookie(c_name) {
	if (document.cookie.length>0) {
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) {
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}

function addEventAlt(obj, evType, fn, dr) {
	if (obj.addEventListener) {
		dr=(!dr) ? false : true;
		obj.addEventListener(evType, fn, dr);
		return true;
	}else{
		if (obj.attachEvent) {
			var r = obj.attachEvent('on' + evType, fn);
			return r;
		}else return false;
	}
}

function addEvent(obj, evType, fn, dr) {
	if (obj.addEventListener) {
		dr=(!dr) ? false : true;
		obj.addEventListener(evType, fn, dr);
		return true;
	}else{
		if (obj.attachEvent) {
			var r = obj.attachEvent('on' + evType, fn);
			return r;
		}else return false;
	}
}

function delEvent(obj, evType, fn, dr) {
	if (obj.removeEventListener) {
		dr=(!dr) ? false : true;
		obj.removeEventListener(evType, fn, dr);
		return true;
	}else{
		if (obj.detachEvent) {
			var r = obj.detachEvent('on' + evType, fn);
			return r;
		}else return false;
	}
}

var min=8;
var max=18;
function increaseFontSize() {
	var p = document.getElementsByTagName('body');
	for(i=0;i<p.length;i++) {
		if(p[i].style.fontSize) var s = parseInt(p[i].style.fontSize.replace("px",""));
		else var s = 12;
		if(s!=max) s += 1;
		p[i].style.fontSize = s+"px"
	}
}

function decreaseFontSize() {
	var p = document.getElementsByTagName('body');
	for(i=0;i<p.length;i++) {
		if(p[i].style.fontSize) var s = parseInt(p[i].style.fontSize.replace("px",""));
		else var s = 12;
		if(s!=min) s -= 1;
		p[i].style.fontSize = s+"px"
	}
}

function textareamaxlength(tarea, maxlength, charcount) {
	if (tarea.value.length >= (maxlength-1)) tarea.value=tarea.value.substring(0,maxlength);
	if (charcount) {
		if (tarea.value.length == 0) charcount.innerHTML = '';
		else charcount.innerHTML = '(' + tarea.value.length + ' of ' + maxlength + ')';
	}
}

function $o(obj) {
	return document.getElementById(obj);
}