function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function getCookie(c_name) {
	domain = '';
	path = '/';
	secure = '';
	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 eraseCookie(name) {
	createCookie(name,"",-1);
}
// Limit the text field to only numbers (no decimals)
function formatInt(input){
	var num = input.value.replace(/\,/g,'');
	if(!isNaN(num)) {
		if(num.indexOf('.') > -1) {
		  input.value = input.value.substring(0,input.value.length-1);
		}
		} else {
			input.value = input.value.substring(0,input.value.length);
		}
}
function fmtTime(tdata) {
	if (tdata.value=='') {
		tdata.value = timevalue;
		return;
	}
	if (tdata.value.length<4) {
		tdata.value = tdata.value+'0000';
		tdata.value = tdata.value.substr(0,4);
	}
	tdata.value = tdata.value.substr(0,2)+':'+tdata.value.substr(2,2);
}