var a;
var b;
var string;

function drawTable(circleFirst,circleSecond) {
   	circleFirst = parseInt(circleFirst);
   	circleSecond = parseInt(circleSecond);
	a = new Array();
        var b = new Number();
        
        if(circleFirst < 1){
        	circleFirst = 1;
	}

   	if ((circleSecond - circleFirst) > 50) {
   		tableArea.innerHTML = "Can't display more than 50 circles at a time.";
   		return;
   	}

   	if (circleSecond > 150) {
   		tableArea.innerHTML = "Can't display more than 150 circles.";
   		return;
   	}


        for(i = circleFirst; i < circleSecond; i++) { 

	z = 50;
	 if(i >= 13){
	  z = 100;
	}

	a[i] = z + i + 1;
	b = a[i] + b;


	string = b; 
	}


   	tableArea.innerHTML = string;
}