var socketHost = 'https://www.solarpoolmonitor.com:1234';

function generateGUID() {
	var result='';
	for (var j=0;j<16;j++) 
		result+=Math.floor(Math.random()*16).toString(16).toUpperCase();
	return result
}

function checkInteger(fld) {
	if (fld.jquery) fld=fld[0];
	var field=fld.value;
	var valid='0123456789';
	for (var i=0; i<field.length; i=i+1)
		if (valid.indexOf(field.substring(i, i+1))=='-1') return false;
	return true;
}

// Check for positive number with decimals
function checkPNumber(fld) {
	if (fld.jquery) fld=fld[0];
	var field=fld.value;
	var valid='0123456789.';
	var decCount=0;
	for (var i=0; i<field.length; i=i+1) {
		temp=''+field.substring(i, i+1);
		if (temp=='.') decCount++;
		if (decCount>1) return false;
		if (valid.indexOf(temp)=='-1') return false;
	}
	return true;
}

function getCookie(cname) {
	let name = cname + "=";
	let decodedCookie = decodeURIComponent(document.cookie);
	let ca = decodedCookie.split(';');
	for(let i = 0; i <ca.length; i++) {
		let c = ca[i];
		while (c.charAt(0) == ' ') {
			c = c.substring(1);
		}
		if (c.indexOf(name) == 0) {
			return c.substring(name.length, c.length);
		}
	}
	return "";
}