function solveEquation(equation) {
	qterms = new Array(0,0,0);
	
	// Split equation into two sides
	f = equation.split('=');
	
	if (f.length != 2) {
		output = 'There needs to be two sides to this equation.';
	} else if (f[0].match(/x/) && f[1].match(/^[0-9]+$/)) {
		answer = f[1];
		
		parts = f[0].split(/(\+|\-)/);
		for (i=0; i<parts.length; i++) {
			// Determine the power of this term
			if (parts[i].match(/^([0-9]*)x\^2$/)) {
				power = 2;
				term = parts[i].match(/^([0-9]*)x\^2$/);
			} else if (parts[i].match(/^([0-9]*)x$/)) {
				power = 1;
				term = parts[i].match(/^([0-9]*)x$/);
			} else if (parts[i].match(/^([0-9]*)$/)) {
				power = 0;
				term = parts[i].match(/^([0-9]*)$/);
			} else {
				power = -1;
			}
			
			// If we have a term, process it
			if (power > -1) {
				if (term[0]) {
					Debug.trace(parts);
					if (i > 0 && parts[i-1] == '-') { // Negative term?
						multiplier = -1;
					} else {
						multiplier = 1;
					}
					
					if (term[1]) {
						qterms[power] += Number(term[1])*multiplier;
					} else {
						qterms[power] += 1*multiplier;
					}
				}
			}
		}
		
		a = qterms[2];
		b = qterms[1];
		c = qterms[0]-answer;
		
		if (a == 0) {
			output = 'The value of x^2 cannot be zero.';
		} else {
			discrim = Math.pow(b, 2)-4*a*c;
			
			if (discrim < 0) {
				output = 'There are no real solutions to this equation.';
			} else {
				x1 = (-b + Math.pow(discrim, 0.5))/(2*a);
				x2 = (-b - Math.pow(discrim, 0.5))/(2*a);
				
				if (x1 == x2) { // Same as discriminant = 0
					output = 'x=' + x1;
				} else {
					output = 'x=' + x1 + ' or x=' + x2;
				}
				
				output += '\n\nDiscriminant: ' + discrim;
				output += '\na=' + a + ' b=' + b + ' c=' + c;
			}
		}
	} else {
		output = 'Could not determine terms.';
	}
	
	return output;
}

function OnEvent_Initialize(MessengerStart)
{
}

function OnEvent_Uninitialize(MessengerExit)
{
}

function OnEvent_ChatWndReceiveMessage(ChatWnd, Origin, Message, Type)
{
	if (Type == 1) {
		if (Message.substring(0,6) == '!quad ') {
			equation = Message.substring(6);
			ChatWnd.SendMessage('QUADRATIC SOLVER\n'+solveEquation(equation));
		} else if (Message == '!quad') {
			ChatWnd.SendMessage('To use the quadratic solver, you must enter an equation.\n\nFor example:\n!quad x^2+7x+3=9\n!quad x^2=4');
		}
	}
}