function viewTest(testId) { 
    if (testId != '') { 
        window.location.href = 'index.php?subject=&page=&action=view-test&test=' + testId; 
    } else { 
        window.location.href = 'index.php?subject=&page='; 
    } 
} 

function deleteTest(testId)  
{ 
    if (confirm('Delete this image?')) { 
        window.location.href = 'index.php?subject=&page=&action=delete&test=' + testId; 
    } 
} 

function checkSpace(n){
ers='';
for (i=1; i<=n; i++){
					var inp='in'+i;
					input = document.getElementById(inp).value;
                    
                    var lastPos = input.substring(input.length-1);
                    
                    document.getElementById(inp).style.backgroundColor='#FFFFFF';
                    
						if(input==''||input==null){
							//ers= ers + '\n' + i + '. No answer';
					//document.getElementById(inp).style.backgroundColor='yellow';                            
                            
							}
                            
					if(input.indexOf('  ')!=-1){
							ers=ers + '\n' + i + '. Spaces!';
							document.getElementById(inp).style.backgroundColor='yellow';
							}

            		if(lastPos==' '){

							ers=ers + '\n' + i + '. Spaces at the end!';
							document.getElementById(inp).style.backgroundColor='yellow';
							}  
            		if(input.charAt(0)==' '){

	            			ers=ers + '\n' + i + '. Spaces in the beginning!';
							document.getElementById(inp).style.backgroundColor='yellow';
							} 
                                            
                         
					

    }
    if(ers!=''){
							alert(ers)
                            return false;
                      }
}