// JavaScript Document

window.onresize = handleResize;

function handleResize()
{
	var div = document.getElementById("post");
	
	if(div == null) return;
	
	var left =  Math.round((window.outerWidth / 2 ) - 400);
	
	div.style.left = left + "px";
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function setme()
{
	var first = document.getElementById("content_first");
	
	var subc = document.getElementById("content_sub");
						
	var footer = document.getElementById("site_info");
	
	var header = document.getElementById("branding");
														
	var fromTop = 0;
	
	if( first.offsetHeight > subc.offsetHeight)
	{
		fromTop = header.offsetHeight + first.offsetHeight + 30;
	}
	else
	{			
		fromTop = header.offsetHeight + subc.offsetHeight + 30;
	}
	
	footer.style.top = fromTop + "px";                      
             	
}


function goCateSelection(arg)
{
	
	var sel = arg.options[arg.selectedIndex].value;
	
	if( sel == "nan") return;
	
	if(sel == 0)
	{
		location.href = "blog.php";
		
		return;		
	}
	
	location.href = "blog.php?c="+sel;
}

function goDateSelection(arg)
{
	var sel = arg.options[arg.selectedIndex].value;
	
	if( sel == "nan") return;
	
	if(sel == 0)
	{
		location.href = "blog.php";
		
		return;		
	}
	
	location.href = "blog.php?d="+sel;
}

function goLogin()
{
	var f = document.forms['logform'];
	
	
	if(f.usr.value == "" || f.pwd.value == "")
	{
		alert("riempi tutti i campi!");
		return;
	}
	
	f.action = "blog.php";
	
	f.submit();
}

function goToday()
{
    var form = document.forms['postform'];
    var currentTime = new Date()
    var month = currentTime.getMonth() + 1
    var day = currentTime.getDate()
    var year = currentTime.getFullYear()
    var hour = currentTime.getHours()
    var minutes = currentTime.getMinutes()
    var seconds = currentTime.getSeconds()

    form.data.value = year + "-" + month + "-" + day //+ " " + hour + ":" + minutes + ":" + seconds;
}

function goAddImage()
{	
	window.open("addimage.php", "iamgeadd", "width=400,height=230,status=yes");
}

function goLoadImage()
{
    var form = document.forms[0];   
       
    var filename = form.image.value;
    
    var alt = form.alt.value;
    
    var floating = "";
    
    if(filename == "") 
    {
        alert("l'immagineeeee");
        return;
    }    
    
    if( alt == "")
    {
        form.alt.value = filename;
    }      
    
     
   
    form.submit();
}

function goSetImage()
{
    
    var form = document.forms[0]; 
    
    if(form.loaded.value =="false") return;
    
    var floating = "";
    
     
    
    if ( form.floatingval.value == "l")
    {
        floating = "class=\"floatLT\""
    }
    else
    {
        floating = "class=\"floatRT\""       
    }

    window.opener.document.forms['postform'].testo.value +=   "<img "+floating+" src=\"img/"+form.imname.value+"\" alt=\""+form.altval.value+"\" /> .";
        
    window.close();
    
}


function goCount(e)
{

    if(e.which == 13) return
    
    var s = document.getElementById("titolocounter")
    
    if(e.which == 8)
    {        
        s.innerHTML = document.forms['postform'].titolo.value.length - 1;
        return;
    }
    
    
    s.innerHTML = document.forms['postform'].titolo.value.length + 1;
}


function goEdit(arg)
{
    location.href="postEdit.php?i="+arg;
}

function goDeletePost(arg)
{
    if(confirm("sicuro di voler cancellare il post: " + arg + " ? ") )
    {
        location.href="postDelete.php?i="+arg;
    }
}

function goAddCate(arg)
{
    if (arg.options[arg.selectedIndex].value != 0)
        return;
    
    var table = document.getElementById("posttable");
	
	var tr = table.insertRow(1);
	
	var td = document.createElement("td");
	
	var tdt = document.createElement("td");
	
	var input = document.createElement("input");
	
	input.setAttribute("type", "text");
	
	input.setAttribute("name", "ncate");
	
	tdt.innerHTML = "nuova categoria: ";
	
	td.appendChild(input);
	
	tr.appendChild(tdt);
	
	tr.appendChild(td);
    
}


function goEmail(arg)
{
    alert("scusa! blaskino non ha ancora avuto modo di preparare tutto il meccanismo....scusa!!");
}

function goCourseSelection(arg)
{
var sel = arg.options[arg.selectedIndex].value;

	if( sel == "nan") return;

	if(sel == 0)
	{
		location.href = "teach.php";

		return;
	}

	location.href = "teach.php?c="+sel;
}