function trim(TRIM_VALUE)
{
    if(TRIM_VALUE.length < 1)
    {
        return"";
    }
    TRIM_VALUE = RTrim(TRIM_VALUE);
    TRIM_VALUE = LTrim(TRIM_VALUE);
    if(TRIM_VALUE=="" )
    {
        return "" ;
    }
    else
    {
        return TRIM_VALUE ;
    }
} //End Function

function RTrim(VALUE)
{
    var w_space = String.fromCharCode(32) ;
    var v_length = VALUE.length ;
    var strTemp = "" ;
    if(v_length < 0)
    {
        return""  ;
    }

    var iTemp = v_length -1 ;

    while(iTemp > -1)
    {
        if(	VALUE.charAt(iTemp) == w_space )
        {
        }
        else
        {
            strTemp = VALUE.substring(0,iTemp +1);
            break ;
        }
	
        iTemp = iTemp-1;

    } //End While
    return strTemp;

} //End Function

function LTrim(VALUE)
{
    var w_space = String.fromCharCode(32) ;
    if(v_length < 1)
    {
        return"" ;
    }
    var v_length = VALUE.length ;
    var strTemp = "" ;

    var iTemp = 0;

    while(iTemp < v_length)
    {
        if(VALUE.charAt(iTemp) == w_space)
        {
        }
        else
        {
            strTemp = VALUE.substring(iTemp,v_length) ;
            break ;
        }
	
        iTemp = iTemp + 1;
    }
    return strTemp;
} 

function toggleImg( display )
{
    if ( display == "0" )
    {
        document.getElementById('prodsmall').style.display = 'block' ;
        document.getElementById('prodlarge').style.display = 'none'  ;
    }
    else
    {
        document.getElementById('prodsmall').style.display = 'none' ;
        document.getElementById('prodlarge').style.display = 'block'  ;
    }
}

function toggleSmallImage( display )
{
    if ( display == "1" )
    {
        document.getElementById('smallimage_1').style.display = 'block' ;
        document.getElementById('largeimage_1').style.display = 'block' ;
        document.getElementById('smallimage_2').style.display = 'none' ;
        document.getElementById('largeimage_2').style.display = 'none' ;
        document.getElementById('smallimage_3').style.display = 'none' ;
        document.getElementById('largeimage_3').style.display = 'none' ;
        document.getElementById('smallimage_4').style.display = 'none' ;
        document.getElementById('largeimage_4').style.display = 'none' ;
        document.getElementById('smallimage_5').style.display = 'none' ;
        document.getElementById('largeimage_5').style.display = 'none' ;
    }
    if ( display == "2" )
    {
        document.getElementById('smallimage_1').style.display = 'none' ;
        document.getElementById('largeimage_1').style.display = 'none' ;
        document.getElementById('smallimage_2').style.display = 'block' ;
        document.getElementById('largeimage_2').style.display = 'block' ;
        document.getElementById('smallimage_3').style.display = 'none' ;
        document.getElementById('largeimage_3').style.display = 'none' ;
        document.getElementById('smallimage_4').style.display = 'none' ;
        document.getElementById('largeimage_4').style.display = 'none' ;
        document.getElementById('smallimage_5').style.display = 'none' ;
        document.getElementById('largeimage_5').style.display = 'none' ;
    }
    if ( display == "3" )
    {
        document.getElementById('smallimage_1').style.display = 'none' ;
        document.getElementById('largeimage_1').style.display = 'none' ;
        document.getElementById('smallimage_2').style.display = 'none' ;
        document.getElementById('largeimage_2').style.display = 'none' ;
        document.getElementById('smallimage_3').style.display = 'block' ;
        document.getElementById('largeimage_3').style.display = 'block' ;
        document.getElementById('smallimage_4').style.display = 'none' ;
        document.getElementById('largeimage_4').style.display = 'none' ;
        document.getElementById('smallimage_5').style.display = 'none' ;
        document.getElementById('largeimage_5').style.display = 'none' ;
    }
    if ( display == "4" )
    {
        document.getElementById('smallimage_1').style.display = 'none' ;
        document.getElementById('largeimage_1').style.display = 'none' ;
        document.getElementById('smallimage_2').style.display = 'none' ;
        document.getElementById('largeimage_2').style.display = 'none' ;
        document.getElementById('smallimage_3').style.display = 'none' ;
        document.getElementById('largeimage_3').style.display = 'none' ;
        document.getElementById('smallimage_4').style.display = 'block' ;
        document.getElementById('largeimage_4').style.display = 'block' ;
        document.getElementById('smallimage_5').style.display = 'none' ;
        document.getElementById('largeimage_5').style.display = 'none' ;
    }
    if ( display == "5" )
    {
        document.getElementById('smallimage_1').style.display = 'none' ;
        document.getElementById('largeimage_1').style.display = 'none' ;
        document.getElementById('smallimage_2').style.display = 'none' ;
        document.getElementById('largeimage_2').style.display = 'none' ;
        document.getElementById('smallimage_3').style.display = 'none' ;
        document.getElementById('largeimage_3').style.display = 'none' ;
        document.getElementById('smallimage_4').style.display = 'none' ;
        document.getElementById('largeimage_4').style.display = 'none' ;
        document.getElementById('smallimage_5').style.display = 'block' ;
        document.getElementById('largeimage_5').style.display = 'block' ;
    }
}

function clearBox(box) 
{
    if( box.value==box.defaultValue )
    {
        box.value = "";
    }
}

function getQueryVariable(variable)
{
    var query = window.location.search.substring(1);
    var vars = query.split("&");
    for (var i=0;i<vars.length;i++) {
        var pair = vars[i].split("=");
        if (pair[0] == variable) {
            return pair[1];
        }
    }
    return true ;
}

function whichAdvert(advertnum)
{
    var adverts = new Array() // recommendations
    adverts[1]='statics/01.jpg' ;
    adverts[2]='statics/02.jpg' ;
    adverts[3]='statics/03.jpg' ;
    adverts[4]='statics/04.jpg' ;
    adverts[5]='statics/05.jpg' ;
    adverts[6]='statics/06.jpg' ;

    return adverts[advertnum] ;
}