// Setup test
	function setupTest(){
		if(document.getElementById("result") != null){ document.getElementById("result").style.display='none'}
		if(document.getElementById("resultA") != null){ document.getElementById("resultA").style.display='none'}
		if(document.getElementById("resultB") != null){ document.getElementById("resultB").style.display='none'}
		if(document.getElementById("resultC") != null){ document.getElementById("resultC").style.display='none'}
		if(document.getElementById("resultD") != null){ document.getElementById("resultD").style.display='none'}
	}
	
	setupTest();
	
	// Get value of radio button group
	function getRadioValue(idOrName) {
		var value = null;
		var element = document.getElementById(idOrName);
		var radioGroupName = null;  
	
		// if null, then the id must be the radio group name
		if (element == null) {
			radioGroupName = idOrName;
		} else {
			radioGroupName = element.name;
		}
		if (radioGroupName == null) {
			return null;
		}
		var radios = document.getElementsByTagName('input');
		for (var i=0; i<radios.length; i++) {
			var input = radios[ i ];
			if (input.type == 'radio' && input.name == radioGroupName && input.checked) {
				value = input.value;
				break;
			}
		}
		return value;
	}
	
	// Calculate result
	function calculate(numOfQuestion){
		var totalVal = 0;
		var y = 1;
		for (y=1;y<=numOfQuestion;y++){
			var qEmpty = "qEmpty"+y;
			var currentVal = getRadioValue("q"+y);
			
			if(currentVal==null){
				alert("Du har ikke udfyldt spørgsmål " + y);
				break;
			}else{
				totalVal = Number(totalVal) + Number(currentVal);
			}
		}
	
		if(currentVal!=null){
			if(document.getElementById("surveyDepression") != null){ document.getElementById("surveyDepression").style.display='none'; }
			if(document.getElementById("surveyAngst") != null){ document.getElementById("surveyAngst").style.display='none'; }
			if(document.getElementById("surveySpise") != null){ document.getElementById("surveySpise").style.display='none'; }
			if(document.getElementById("surveyAlkohol") != null){ document.getElementById("surveyAlkohol").style.display='none'; }
			if(document.getElementById("surveyStress") != null){ document.getElementById("surveyStress").style.display='none'; }

			document.getElementById("result").style.display='inline';

			window.scrollTo(0,0);

			if(document.getElementById("surveyDepression") != null){
				// alert(totalVal);
				if(totalVal < 20){
					// document.getElementById('resultA').innerHTML = document.getElementById('resultA').innerHTML;
					// document.getElementById("resultA").style.visibility='visible';
					document.getElementById("resultA").style.display='inline';
				}else if(totalVal < 25){
					// document.getElementById('resultA').innerHTML = document.getElementById('resultB').innerHTML;
					// document.getElementById("resultB").style.visibility='visible';
					document.getElementById("resultB").style.display='inline';
				}else if(totalVal < 30){
					// document.getElementById('resultA').innerHTML = document.getElementById('resultC').innerHTML;
					// document.getElementById("resultC").style.visibility='visible';
					document.getElementById("resultC").style.display='inline';
				}else{
					// document.getElementById('resultA').innerHTML = document.getElementById('resultD').innerHTML;
				 	// document.getElementById("resultD").style.visibility='visible';
					document.getElementById("resultD").style.display='inline';
				}		
			}
			
			if(document.getElementById("surveyAngst") != null){
				// alert(totalVal);
				if(totalVal < 6){				
					document.getElementById("resultA").style.display='inline';
				}else if(totalVal < 15){
					document.getElementById("resultB").style.display='inline';					
				}else if(totalVal < 29){
					document.getElementById("resultC").style.display='inline';
				}else{					
					document.getElementById("resultD").style.display='inline';
				}		
			}
			
			if(document.getElementById("surveySpise") != null){
				// alert(totalVal);
				if(totalVal <= 1){				
					document.getElementById("resultA").style.display='inline';
				}else if(totalVal <= 6){
					document.getElementById("resultB").style.display='inline';					
				}else{
					document.getElementById("resultC").style.display='inline';
				}		
			}
			
			if(document.getElementById("surveyAlkohol") != null){
				// alert(totalVal);
				if(totalVal < 6){				
					document.getElementById("resultA").style.display='inline';
				}else{
					document.getElementById("resultB").style.display='inline';
				}		
			}
			
			if(document.getElementById("surveyStress") != null){
				// alert(totalVal);
				if(totalVal < 50){				
					document.getElementById("resultA").style.display='inline';
				}else{
					document.getElementById("resultB").style.display='inline';
				}		
			}
		}
	}