// JScript File


            function writeImage( src ) {
				document.write( '<img src="'+ src +'" border="0" />' );
			}	
					
			function getRandomNumber( _max )
			 {
				var src	 	= "images/rand/rand_";
				var validcode 	= "";
				var str="";
				for( var i=0; i < _max; i++ ) {
					var num = Math.floor(Math.random()*10);
					writeImage( src + num +".gif" );
					validcode += num;
					str+=num;
					
				    }
				    //alert(document.getElementById('UC_Center__ctl0_txtMaKiemTra_Hid'));
				document.getElementById('UC_Center__ctl0_txtMaKiemTra_Hid').value=str;
					
			}
			
			function getImages(p_image,p_file)
            {
                if(document.getElementById(p_file).value != '')
                {
                    document.getElementById(p_image).src='file:///'+document.getElementById(p_file).value;
                }
            }
            
    function add_item(listitem1,listitem2,txtitem,txttext)
    {
               var srcList1=document.getElementById(listitem1);
        var srcList2=document.getElementById(listitem2);
        
        var srcLen1 = srcList1.length;
        var srcLen2 = srcList2.length;
        var kiemtra = true;
        for (var i=0; i < srcLen1; i++)
		{   if(srcList1.options[i].selected)
		    {
    		    var opt = new Option(srcList1.options[i].text,srcList1.options[i].value);
		        for(var j=0;j<srcLen2;j++)
		        {
		            if(srcList1.options[i].value==srcList2.options[j].value)
		            {
		                alert('Xe ['+srcList2.options[j].text+'] đã được chọn trong danh sách');
		                kiemtra=false;
		                break;
		            }
		        }
		        if(kiemtra)
		        {
		            srcList2.options[srcLen2] = opt;
                    srcLen2+=1;
                    document.getElementById(txtitem).value+=srcList1.options[i].value+"~";
                    document.getElementById(txttext).value+=srcList1.options[i].text+"~";
                }
                else
                    break;
		    }
		}
    }
    
    function add_item_all(listitem1,listitem2,txtitem,txttext)
    {
        var srcList1=document.getElementById(listitem1);
        var srcList2=document.getElementById(listitem2);
        
        var srcLen1 = srcList1.length;
        var srcLen2 = srcList2.length;
        
        document.getElementById(txtitem).value='';
        document.getElementById(txttext).value='';
        
        for (var i=0; i < srcLen2; i++)
		{   
		    srcList2.options[i] = null;
		}
		
        for (var i=0; i < srcLen1; i++)
		{   
		    var opt = new Option(srcList1.options[i].text,srcList1.options[i].value);
		    srcList2.options[i] = opt;
		    document.getElementById(txtitem).value+=srcList1.options[i].value+"~";
		    document.getElementById(txttext).value+=srcList1.options[i].text+"~";
		}
    }
    
    function remove_items(listitem,txtitem,txttext)
    {
        srcList=document.getElementById(listitem);
        srcLen=srcList.length;
        for (var i=srcLen-1; i > -1; i--)
		{   if(srcList.options[i].selected)
		    {
		        document.getElementById(txtitem).value=document.getElementById(txtitem).value.replace(srcList.options[i].value+"~",'');
		        document.getElementById(txttext).value=document.getElementById(txttext).value.replace(srcList.options[i].text+"~",'');
		        srcList.options[i] = null;
		    }
		}
    }
    
    function remove_items_all(listitem,txtitem,txttext)
    {
        srcList=document.getElementById(listitem);
        srcLen=srcList.length;
        
        document.getElementById(txtitem).value='';
        document.getElementById(txttext).value='';
        for (var i=srcLen-1; i > -1; i--)
		{   
		    srcList.options[i] = null;  
		}
    }
    
    function remove_keydelete()
    {
        if (event.keyCode==46)
	    {
	        remove_items();
	    }
    }