function SwitchPortfolio(c,i){
var url  		= 'ajax.php';
	var ajax = new Ajax.Request(url, {
		method: 'get',  
		parameters: {op: "SwitchPortfolio",cat: c, id: i },
		evalScripts: false,
		onSuccess: function(transport){ 
			var response = transport.responseText.evalJSON(true);  
			$('portfolio_mediax').update(response.portfolio_media);
			$('portfolio_mediax').innerHTML;
			$('portfolio_client').update(response.portfolio_client);
			$('portfolio_client').innerHTML;
			$('portfolio_title').update(response.portfolio_title);
			$('portfolio_title').innerHTML;								
			$('portfolio_content').update(response.portfolio_content);
			$('portfolio_content').innerHTML;		
		},		
		onFailure: function(){ 
			alert('Something went wrong...'); 
		} 							
	}); 
}