function Left(str, n){
    if (n <= 0)
        return "";
    else if (n > String(str).length)
        return str;
    else
        return String(str).substring(0,n);
}
function Right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}

function acdc_gosearch() { 
		var acdc_jewellery_type = '' + document.getElementById('acdc_jewellery_type').value;
		var acdc_jewelleryid = Left(acdc_jewellery_type,acdc_jewellery_type.indexOf("|"));
		acdc_jewellery_type = Right(acdc_jewellery_type,acdc_jewellery_type.length - acdc_jewellery_type.indexOf("|")-1);
		var acdc_price = '&price=' + document.getElementById('acdc_price').value;
		if(acdc_price == '&price='){acdc_price = ''};
		var acdc_metal = ''  + document.getElementById('acdc_metal').value;
		var acdc_metalid = Left(acdc_metal,acdc_metal.indexOf("|"));
		acdc_metal = Right(acdc_metal,acdc_metal.length - acdc_metal.indexOf("|")-1);
		var acdc_colour = '' + document.getElementById('acdc_colour').value;
		var acdc_colourid = Left(acdc_colour,acdc_colour.indexOf("|"));
		acdc_colour = Right(acdc_colour,acdc_colour.length - acdc_colour.indexOf("|")-1);		
		var acdc_term='';
		
		if (acdc_jewellery_type=='') {
			if (acdc_metal == '') {			
				acdc_term = acdc_colour;
			} else { acdc_term = acdc_metal; }
		} else { acdc_term = acdc_jewellery_type; }
		
		if (acdc_term == '' && acdc_price == '' ) {acdc_term='Astley Clarke';}
		if (acdc_term == '' && acdc_price !== '' ) {acdc_term='astley';}
		
		if(acdc_jewellery_type !== ''){acdc_jewellery_type = '&jewellery_type=' + acdc_jewelleryid};
		if(acdc_price == '&price='){acdc_price = ''};
		if(acdc_metalid !== ''){acdc_metalid = '&materials=' + acdc_metalid};
		if(acdc_colourid !== ''){acdc_colourid = '&color=' + acdc_colourid};
				
		var acdc_searchurl = 'http://www.astleyclarke.com/uk/catalogsearch/result/index/?q=' + acdc_term + acdc_jewellery_type + acdc_metalid + acdc_colourid + acdc_price + '&order=relevance&dir=desc'; 
		
		if (acdc_jewelleryid == 83) {acdc_searchurl = 'http://www.astleyclarke.com/uk/jewellery-collections/jewellery-gift-vouchers';}
		if (acdc_jewelleryid == 80) {acdc_searchurl = 'http://www.astleyclarke.com/uk/jewellery-designers/jewellery-boxes';}
		if (acdc_jewelleryid == 79) {acdc_searchurl = 'http://www.astleyclarke.com/uk/jewellery-designers/sterling-silver-gold-cufflinks';}
		
		parent.location.href = acdc_searchurl; 
}