function getURLParams(key) {
    var result = [];
    var index = window.location.href.indexOf("?");
    if (index === -1) {
    	return null;
    }
    var path = window.location.href.substr(index + 1);
    //	path = decodeURIComponent(path);
    // do not use decodeURIComponent before splitting
    if (path.indexOf('#') > -1) {
        path = path.substr(0, path.indexOf('#'));
    }
    var params = path.split("&");
    for (var i = 0; i < params.length; i++) {
        var pair = params[i];
        var index = pair.indexOf('=');
        if (index === -1 || key != pair.substr(0, index)){ continue;}
        var value = params[i].substr(index + 1);
        result.push(decodeURIComponent(value.replace(/\+/g, ' ')));
    }
    return result;
}

function getURLParam(key) {
    var params = getURLParams(key);
    if (params.length === 0) {
    	return null;
    }
    return params[0];
}

jQuery(document).ready(function(){
	jQuery('.expandIframe').live('click',function(){
		var parent = jQuery(this).parent();
		parent.find('iframe').show();
		parent.find('.collapseIframe').show();
		//parent.find('span').hide();
		parent.find('.expandButton').show();
		//parent.find('.sentence1').hide();
		//parent.find('.sentence2').show();
		jQuery(this).hide();
	});
	jQuery('.collapseIframe').live('click',function(){
		var parent = jQuery(this).parent();
		parent.find('iframe').hide();
		parent.find('.expandIframe').show();
		//parent.find('span').show();
		parent.find('.expandButton').hide();
		//parent.find('.sentence1').show();
		//parent.find('.sentence2').hide();
		jQuery(this).hide();
	});
	jQuery('.loadIframe').live('click',function(){
		var parent = jQuery(this).parent();
		parent.find('.collapseIframe').show();
		parent.find('.expandIframe').hide();
		//parent.find('span').hide();
		parent.find('.expandButton').show();
		//parent.find('.sentence1').hide();
		//parent.find('.sentence2').show();
		
		jQuery(this).hide();
		
		var host = document.location.host;
		//var port = document.location.port;
		var keyword= jQuery(this).attr("alt");
		var url = jQuery(this).attr("title");
	 	
		var q = getURLParam("q");
	 	var nq = getURLParam("nq");
	 	var fq = getURLParam("fq");
	 	
	 	var snippetUrl 		 = 'http://'+host+'/search/snippet?url='+encodeURIComponent(url);
		var expandSnippetUrl = 'http://'+host+'/search/page?url='+encodeURIComponent(url);
		if(q){
			snippetUrl+='&q='+encodeURIComponent(q);
			expandSnippetUrl+='&q='+encodeURIComponent(q);
		}
		if(nq){
			snippetUrl+='&nq='+encodeURIComponent(nq);
			expandSnippetUrl+='&nq='+encodeURIComponent(nq);
		}
		if(fq){
			snippetUrl+='&fq='+encodeURIComponent(fq);
			expandSnippetUrl+='&fq='+encodeURIComponent(fq);
		}
		var ret ='<div style="position:relative;">';
	 	    ret+=   '<div class="expandButton" ><a href="'+expandSnippetUrl+'">Maximize<img src="/images/maximize.png" /></a></div>';   
	 	    ret+=   '<iframe  style="width:100%;height:400px;border:1px #ccc solid;" src="'+snippetUrl+'" frameborder="0"  scrolling="no"> Loading ... </iframe>';
		    ret+='</div>'   
		jQuery(this).parent().find('div.iframe').append(ret);
		
	});
	
});