function all_select(row)
	{
		if(document.getElementById('allcheck').checked==true)
		{
			for(i=0; i<row; i++ )
			{
				var check='check'+i;
				document.getElementById(check).checked=true;
			}
			
			return true;
		}
		
		else if(document.getElementById('allcheck').checked==false)
		{
			for(i=0; i<row; i++ )
			{
				var uncheck='check'+i;
				document.getElementById(uncheck).checked=false;
			}
			
			return true;
		}
	}
	
	function unchecked()
	{	
		document.getElementById('allcheck').checked=false;
	}
	
	function delete_confirm()
	{	
		return confirm('Are you sure you want to Delete?');
	}