function displayCurrentYear(obj)
				{
                   for(var i =0 ; i < obj.length; i++)
		   			{
                      if(document.getElementById("year" + obj.options[i].value))
                        document.getElementById("year" +obj.options[i].value).style.display ='none' ; 
                   }
                   if(document.getElementById("year" +obj.value))
                   {
                        document.getElementById("year" +obj.value).style.display ='' ; 
                        document.getElementById("year" +obj.value).selectedIndex = 0 ;
                        displayPaper(obj.value,document.getElementById("year" +obj.value));
                    }    
                        
                   					
				}
                function displayYear(obj)
                {
                   for(var i =0 ; i < obj.length; i++)
		   			{
                      if(document.getElementById("year" + obj.options[i].value))
                        document.getElementById("year" +obj.options[i].value).style.display ='none' ; 
                   }
                      if(document.getElementById("year" +obj.value))
                        document.getElementById("year" +obj.value).style.display ='' ; 
				
                }
                function getSelectedObj()
                {
                	var objResult = null ;
                	if( document.getElementById("year") )
                	{
                	
                		var selectedYearVal = document.getElementById("year").value + "" ;
                      	if( document.getElementById(selectedYearVal) )
                        	 objResult =  document.getElementById(selectedYearVal) ;                 		
                	}                	
                	return objResult;
                }
                function displayPaper(number,obj)
                {
					for(var i =1 ; i <= 4; i++)
					{
	                	if( document.getElementById("year" + i) )
	                	{
	                		document.getElementById("year" + i).style.display ='none' ; 
	                		var option = null ;
	                		var valueGenerated = "" ;
	                		for(var j = 0 ; j < document.getElementById("year" + i).length; j++ )
	                		{
	                			option = document.getElementById("year" + i).options[j] ;
	                			valueGenerated = "paper" + i + option.value ;
	                			if( document.getElementById(valueGenerated) )
	                			{
	                				document.getElementById(valueGenerated).style.display ='none' ; 
	                			}
	                		}
	                	}						                
					}
                	if( document.getElementById("year" + number) )
                	{
                		document.getElementById("year" + number).style.display ='' ; 
                	}
					if( document.getElementById("paper" + number + obj.value) )
            		{
            				document.getElementById("paper" + number + obj.value).selectedIndex = 0 ;
            			document.getElementById("paper" + number + obj.value).style.display ='' ; 
            		}                	
                	
                }
		function goToLinkPaper(url)
		{
			if( url != null && url != "" && url != -1 )
			{
				window.location.href = url ;		
			}	
		}