// JavaScript Document
   //  These functions alter the slide_num accordingly
   function firstslide()
   {
     slide_num = qu;
     changeslide();
   }

	   function prevslide(){
		 if(slide_num>1)
		 {
		  document.getElementById("next").src='/images/general/vedio_slide_right_mo.gif';
		  document.getElementById("prev").src='/images/general/vedio_slide_left_mo.gif';
		 slide_num = slide_num - 1;
		
		 changeslide();
		 }
		 if(slide_num<=1)
		{
		  document.getElementById("next").src='/images/general/vedio_slide_right_mo.gif';
		   document.getElementById("prev").src='/images/general/vedio_slide_left.gif';
		 }
		 
	   }
  		function nextslide()
			{
			if(slide_num<num_of_slides)
			
			{
		   document.getElementById("next").src='/images/general/vedio_slide_right_mo.gif';
		   document.getElementById("prev").src='/images/general/vedio_slide_left_mo.gif';
		   slide_num = slide_num + 1;
			 if(slide_num > num_of_slides){
		   slide_num = 1;
		 }
		 
     	changeslide();
		}
		 if(slide_num>=num_of_slides)
		{
		 document.getElementById("next").src='/images/general/vedio_slide_right.gif';
		   document.getElementById("prev").src='/images/general/vedio_slide_left_mo.gif';
		 }
	   }
	   function lastslide(){
		 slide_num = num_of_slides;
		 changeslide();
	   }