function calculateScore()
{
var score=0;
var wrong=0;
var total=0;
var col=document.getElementsByName('radio1');
var isRight=false;
var isChecked=false;
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;
isRight=true;
break;
}
}
if(!isRight&&isChecked)

wrong+=1;

isRight=false;
isChecked=false;


col=document.getElementsByName('radio2');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;isRight=true;break;
}
}
if(!isRight&&isChecked)

wrong+=1;

isRight=false;
isChecked=false;


col=document.getElementsByName('radio3');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;
isRight=true;
break;
}
}
if(!isRight&&isChecked)

wrong+=1;

isRight=false;
isChecked=false;


col=document.getElementsByName('radio4');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;isRight=true;break;
}
}
if(!isRight&&isChecked)

wrong+=1;

isRight=false;
isChecked=false;


col=document.getElementsByName('radio5');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;isRight=true;break;
}}
if(!isRight&&isChecked)

wrong+=1;

isRight=false;
isChecked=false;


col=document.getElementsByName('radio6');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;isRight=true;break;
}}
if(!isRight&&isChecked)

wrong+=1;
isRight=false;
isChecked=false;



col=document.getElementsByName('radio7');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;isRight=true;break;
}}
if(!isRight&&isChecked)

wrong+=1;
isRight=false;
isChecked=false;



col=document.getElementsByName('radio8');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;isRight=true;break;
}}
if(!isRight&&isChecked)

wrong+=1;
isRight=false;
isChecked=false;



col=document.getElementsByName('radio9');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;isRight=true;break;
}}
if(!isRight&&isChecked)

wrong+=1;
isRight=false;
isChecked=false;



col=document.getElementsByName('radio10');
for(i=0;i<col.length;i++)
{
if(col[i].checked)
{
isChecked=true
}
if(col[i].checked&&col[i].value=='right')
{
score+=1;isRight=true;break;
}}
if(!isRight&&isChecked)

wrong+=1;


total = wrong + score;

if(score > 0)
  document.getElementById("content-text-message").style.display="block";

if(score>0&&score<=3){document.getElementById("content-text-heading").innerHTML = "You have scored " + score +"/10."}
if(score>3&&score<=5){document.getElementById("content-text-heading").innerHTML ="You have scored " + score +"/10. "}
if(score>5&&score<=7){document.getElementById("content-text-heading").innerHTML = "You have scored " + score +"/10. "}
if(score==8){document.getElementById("content-text-heading").innerHTML = "You have scored " + score +"/10. "}
if(score>8&&score<=10){document.getElementById("content-text-heading").innerHTML = "You have scored " + score +"/10."}
if(total<10){document.getElementById("content-text-heading").innerHTML = "Please select your answers for all the questions and hit the 'Check Your Results' button."}
}