function getSource(position) 
{ 
	//Update: The number to the number of random images
	var num_main_images = 23; 
	//Update: The number of the set folder
	var num_set_folder = 23; 
	//Update: The number to the number of headlines
	var num_headlines = 23; 
	var random_main_image=getRandom(num_main_images);
	var random_headlines=getRandom(num_headlines);
	
	if(position == "main_image"){
		if( num_set_folder == 8 && random_main_image == 8 )
			return '<a href=\"#\"><img src=\"images/photo' + random_main_image + '.jpg\" width=\"400\" height=\"265\" border=\"0\" alt=\"SVCE\" /></a>' 
		else{
			if( num_set_folder == 7 )
				return '<a href=\"#\"><img src=\"images/photo' + random_main_image + '.jpg\" width=\"400\" height=\"265\" border=\"0\" alt=\"SVCE\" /></a>';
			else				
				return '<img src=\"images/photo' + random_main_image + '.jpg\" width=\"400\" height=\"265\" border=\"0\" alt=\"SVCE\" />' 
		}
	}
	else{
		if(position == "headlines" && (random_main_image == 1))
		{
			return 'Imparting Value Able Education' 
		}
		else if(position == "headlines" && (random_main_image == 2))
		{
			return 'Environment where Learning is a Joy '  
		}
		else if(position == "headlines" && (random_main_image == 3))
		{
			return 'Facilities for Individual Learning' 
		}
		else if(position == "headlines" && (random_main_image == 4))
		{
			return 'Facilities for Individual Learning' 
		}
		else if(position == "headlines" && (random_main_image == 5))
		{
			return 'Full Fledged Laboratories' 
		}
		else if(position == "headlines" && (random_main_image == 6))
		{
			return 'Full Fledged Laboratories' 
		}
		else if(position == "headlines" && (random_main_image == 7))
		{
			return 'Hands on Learning Experience' 
		}
		else if(position == "headlines" && (random_main_image == 8))
		{
			return 'Gear Technology to Gear up' 
		}
		else if(position == "headlines" && (random_main_image == 9))
		{
			return 'Group Learning a Joy forever' 
		}
		else if(position == "headlines" && (random_main_image == 10))
		{
			return 'Hands on Learning Experience' 
		}
		else if(position == "headlines" && (random_main_image == 12))
		{
			return 'Personalized Attention to Detail' 
		}
		else if(position == "headlines" && (random_main_image == 13))
		{
			return 'Personalized Attention to Detail' 
		}
		else if(position == "headlines" && (random_main_image == 11))
		{
			return 'Knowledge about Materials' 
		}
		else
			return 'Wi - Fi Enabled Campus' 
	    }
}

//Update: The number to the number of student profiles
var num_student_profiles = 18; 

var random_student_profiles = (getRandom(num_student_profiles)) - 1;
var max_length_profile_text = 90; //number of characters
<!-- var max_length_profile_text = 120; //number of characters //-->

function getRandom(number) 
{ 
	return Math.floor(Math.random() * number) + 1; 
}