function selectPage( page )
{
    document.pageForm.page.value=page;
    document.pageForm.method = 'post';
    document.pageForm.action = 'display_results';
    document.pageForm.submit();
}

function show(num)
{
    var page = document.pageForm.page.value;
    
    var length = document.pageForm.noOfResults.value;
    var len1 = (length)/20;
    switch(num)
    {
        case 1: 
                page=0;
                document.pageForm.page.value=page;
                break;
        case 2:
                if (page !=0)
                {
                    page--;
                    document.pageForm.page.value=page;
                    break;
                }else{
                    break;
                }
        case 3:
                if (page != Math.round(len1+0.5)-1)
                {
                    page++;
                    document.pageForm.page.value=page;
                    break;
                }else{
                    break;
                }
        case 4:
                page=Math.round(len1+0.5)-1;
                document.pageForm.page.value=page;
                break;      
    }
    m = 0;
    for(m=0;m < len1;m++)
    {
        document.getElementById(m).style.display = 'none';
    }
    document.getElementById(page).style.display = 'block';
}


function showTable(num)
{
    var browserName=navigator.appName;
    var page = document.pageForm.page.value;

    var length = document.pageForm.noOfResults.value;

    var len1 = (length)/20;

    switch(num)
    {
        case 1: 
                page=0;
                document.pageForm.page.value=page;

                break;
        case 2:
                if (page !=0)
                {
                    page--;
                    document.pageForm.page.value=page;

                    break;
                }else{

                    break;
                }
        case 3:
                // alert('inside3 page = '+ page);
                if (page != (Math.round(len1+0.5)-1))
                {
                   // alert('inside3 page IF = '+ page);
                    page++;
                    document.pageForm.page.value=page;

                    break;
                }else{
                    break;
                }
        case 4:
                page=Math.round(len1+0.5)-1;
                document.pageForm.page.value=page;

                break;      
    }

    var noOfPages = Math.ceil(len1);

    for( var m=0; m < noOfPages; m++ )
    {
        document.getElementById(m).style.display = 'none';
    }

        if( browserName=="Microsoft Internet Explorer")
            document.getElementById(page).style.display = 'block';
        else
            document.getElementById(page).style.display = 'table';
}

function goToPage( vp ){
    page=0;
    document.pageForm.page.value=page
	// alert('vp='+ vp);
	// alert('page='+document.pageForm.page.value);
    for( i = 0; i < vp; i++ )
    {
        showTable( 3 );
    }
}