function showContent(link,but) {  
  
        var cont = document.getElementById('contentBody');  
        var loading = document.getElementById('loading');  
	
		
        cont.innerHTML = loading.innerHTML;  
  
        var http = createRequestObject();  
        if( http )   
        {  
            http.open('get', link);  
            http.onreadystatechange = function ()   
            {  
                if(http.readyState == 4)   
                {  
                    cont.innerHTML = http.responseText;  
                }  
            }  
            http.send(null);      
        }  
        else   
        {  
            document.location = link;  
        }  
		
		if (but == "1")
			{
			document.getElementById("but1").className += " but1"; 
			document.getElementById("but2").className = document.getElementById("but2").className.replace('but1','');
			document.getElementById("but3").className = document.getElementById("but3").className.replace('but1','');
			document.getElementById("but4").className = document.getElementById("but4").className.replace('but1','');
			document.getElementById("but5").className = document.getElementById("but5").className.replace('but1','');
			document.getElementById("but6").className = document.getElementById("but6").className.replace('but1','');
			document.getElementById("but7").className = document.getElementById("but7").className.replace('but1','');
			}
		else if (but == "2")
			{
			document.getElementById("but2").className += " but1"; 
			document.getElementById("but1").className = document.getElementById("but1").className.replace('but1','');
			document.getElementById("but3").className = document.getElementById("but3").className.replace('but1','');
			document.getElementById("but4").className = document.getElementById("but4").className.replace('but1','');
			document.getElementById("but5").className = document.getElementById("but5").className.replace('but1','');
			document.getElementById("but6").className = document.getElementById("but6").className.replace('but1','');
			document.getElementById("but7").className = document.getElementById("but7").className.replace('but1','');
			}
		else if (but == "3")
			{
			document.getElementById("but3").className += " but1"; 
			document.getElementById("but1").className = document.getElementById("but1").className.replace('but1','');
			document.getElementById("but2").className = document.getElementById("but2").className.replace('but1','');
			document.getElementById("but4").className = document.getElementById("but4").className.replace('but1','');
			document.getElementById("but5").className = document.getElementById("but5").className.replace('but1','');
			document.getElementById("but6").className = document.getElementById("but6").className.replace('but1','');
			document.getElementById("but7").className = document.getElementById("but7").className.replace('but1','');
			}
		else if (but == "4")
			{
			document.getElementById("but4").className += " but1"; 
			document.getElementById("but1").className = document.getElementById("but1").className.replace('but1','');
			document.getElementById("but3").className = document.getElementById("but3").className.replace('but1','');
			document.getElementById("but2").className = document.getElementById("but2").className.replace('but1','');
			document.getElementById("but5").className = document.getElementById("but5").className.replace('but1','');
			document.getElementById("but6").className = document.getElementById("but6").className.replace('but1','');
			document.getElementById("but7").className = document.getElementById("but7").className.replace('but1','');
			}
		else if (but == "5")
			{
			document.getElementById("but5").className += " but1"; 
			document.getElementById("but1").className = document.getElementById("but1").className.replace('but1','');
			document.getElementById("but2").className = document.getElementById("but2").className.replace('but1','');
			document.getElementById("but3").className = document.getElementById("but3").className.replace('but1','');
			document.getElementById("but4").className = document.getElementById("but4").className.replace('but1','');
			document.getElementById("but6").className = document.getElementById("but6").className.replace('but1','');
			document.getElementById("but7").className = document.getElementById("but7").className.replace('but1','');
			}
		else if (but == "6")
			{
			document.getElementById("but6").className += " but1"; 
			document.getElementById("but1").className = document.getElementById("but1").className.replace('but1','');
			document.getElementById("but2").className = document.getElementById("but2").className.replace('but1','');
			document.getElementById("but3").className = document.getElementById("but3").className.replace('but1','');
			document.getElementById("but4").className = document.getElementById("but4").className.replace('but1','');
			document.getElementById("but5").className = document.getElementById("but5").className.replace('but1','');
			document.getElementById("but7").className = document.getElementById("but7").className.replace('but1','');
			}
		else if (but == "7")
			{
			document.getElementById("but7").className += " but1"; 
			document.getElementById("but1").className = document.getElementById("but1").className.replace('but1','');
			document.getElementById("but2").className = document.getElementById("but2").className.replace('but1','');
			document.getElementById("but3").className = document.getElementById("but3").className.replace('but1','');
			document.getElementById("but4").className = document.getElementById("but4").className.replace('but1','');
			document.getElementById("but5").className = document.getElementById("but5").className.replace('but1','');
			document.getElementById("but6").className = document.getElementById("but6").className.replace('but1','');
			}
    }  
  
  function showPrice(link) {  
  
        var conts = document.getElementById('contentBodyprice');  
        var loadings = document.getElementById('loadingprice');  
	
		
        conts.innerHTML = loadings.innerHTML;  
  
        var http = createRequestObject();  
        if( http )   
        {  
            http.open('get', link);  
            http.onreadystatechange = function ()   
            {  
                if(http.readyState == 4)   
                {  
                    conts.innerHTML = http.responseText;  
                }  
            }  
            http.send(null);      
        }  
        else   
        {  
            document.location = link;  
        }  
		
		}
  
    // ???????? ajax ???????  
    function createRequestObject()   
    {  
        try { return new XMLHttpRequest() }  
        catch(e)   
        {  
            try { return new ActiveXObject('Msxml2.XMLHTTP') }  
            catch(e)   
            {  
                try { return new ActiveXObject('Microsoft.XMLHTTP') }  
                catch(e) { return null; }  
            }  
        }  
    }  

	
function explode( delimiter, string ) {	// Split a string by string
	// 
	// +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +   improved by: kenneth
	// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)

	var emptyArray = { 0: '' };

	if ( arguments.length != 2
		|| typeof arguments[0] == 'undefined'
		|| typeof arguments[1] == 'undefined' )
	{
		return null;
	}

	if ( delimiter === ''
		|| delimiter === false
		|| delimiter === null )
	{
		return false;
	}

	if ( typeof delimiter == 'function'
		|| typeof delimiter == 'object'
		|| typeof string == 'function'
		|| typeof string == 'object' )
	{
		return emptyArray;
	}

	if ( delimiter === true ) {
		delimiter = '1';
	}

	return string.toString().split ( delimiter.toString() );
}