// JavaScript Document
function elm(id){
	return document.getElementById(id);
}
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 menuOver(div){
	var length = div.childNodes.length;
	var image = '';
	var type_of_img = '';
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
	for(var i = 0; i<length;i++){
		//alert(div.childNodes[i].tagName);
		if(div.childNodes[i].tagName == 'SPAN'){
			type_of_img = 'SPAN';
			image = div.childNodes[i];
			
			continue;
		}
		
		if(div.childNodes[i].tagName == 'A'){
			var length2 = div.childNodes[i].childNodes.length;
			var image = '';
			
			for(var j = 0; j<length2;j++){
				if(div.childNodes[i].childNodes[j].tagName == 'IMG'){
					
					image = div.childNodes[i].childNodes[j];
					type_of_img = 'IMG';
					continue;
				}
			}
		}
		
	}
	if((version < 7) && type_of_img == 'SPAN'){
		if(type_of_img == 'SPAN'){
			var filter = image.style.filter;
			
			var tempsplit = filter.split("progid:DXImageTransform.Microsoft.AlphaImageLoader(src='");
			tempsplit = tempsplit[1].split("', sizingMethod='scale')"	);													
			var directoryarray = tempsplit[0].split('/');
			var filename = directoryarray[directoryarray.length-1];
			var tempsplit = filename.split('.');
			var newimage = tempsplit[0]+"_roll."+tempsplit[1];
	
			
			var newdir = '';
			for(i=0; i<directoryarray.length-1;i++){
				if(newdir != ''){
				newdir= newdir+"/";	
				}
				newdir= newdir+directoryarray[i];
			}
			newdir= newdir+"/";	
			image.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+newdir+newimage+"', sizingMethod='scale')";
		}
	} else {
		var directoryarray = image.src.split('/');
		var filename = directoryarray[directoryarray.length-1];
		var tempsplit = filename.split('.');
		var newimage = tempsplit[0]+"_roll."+tempsplit[1];
		var newdir = '';
		for(i=0; i<directoryarray.length-1;i++){
			if(newdir != ''){
			newdir= newdir+"/";	
			}
			newdir= newdir+directoryarray[i];
		}
		newdir= newdir+"/";	
		image.src = newdir+newimage;
	}
}
function menuOut(div){
	var length = div.childNodes.length;
	var image = '';
	var type_of_img = '';
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
	for(var i = 0; i<length;i++){
		if(div.childNodes[i].tagName == 'SPAN'){
			type_of_img = 'SPAN';
			image = div.childNodes[i];
			break;
		}
		
		if(div.childNodes[i].tagName == 'A'){
			var length2 = div.childNodes[i].childNodes.length;
			var image = '';
			for(var j = 0; j<length2;j++){
				if(div.childNodes[i].childNodes[j].tagName == 'IMG'){
					image = div.childNodes[i].childNodes[j];
					type_of_img = 'IMG';
					break;
				}
			}
		}
		
	}
	if((version < 7) && type_of_img == 'SPAN'){
		if(type_of_img == 'SPAN'){
			var filter = image.style.filter;
			
			var tempsplit = filter.split("progid:DXImageTransform.Microsoft.AlphaImageLoader(src='");
			tempsplit = tempsplit[1].split("', sizingMethod='scale')"	);													
			var directoryarray = tempsplit[0].split('/');
			var filename = directoryarray[directoryarray.length-1];
			var tempsplit = filename.split('_roll');
			var newimage = tempsplit[0]+tempsplit[1];
			var newdir = '';
			for(i=0; i<directoryarray.length-1;i++){
				if(newdir != ''){
				newdir= newdir+"/";	
				}
				newdir= newdir+directoryarray[i];
			}
			newdir= newdir+"/";	
			image.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+newdir+newimage+"', sizingMethod='scale')";
		}
	} else {
		var directoryarray = image.src.split('/');
		var filename = directoryarray[directoryarray.length-1];
		var tempsplit = filename.split('_roll');
		var newimage = tempsplit[0]+tempsplit[1];
		var newdir = '';
			
		for(i=0; i<directoryarray.length-1;i++){
			if(newdir != ''){
			newdir= newdir+"/";	
			}
			newdir= newdir+directoryarray[i];
		}
		newdir= newdir+"/";	
		image.src = newdir+newimage;
	}
}

function changeSearchFocus(searchbox){
	if(searchbox.value == 'Type Search Here') {
		searchbox.style.color = '#000000';
		searchbox.value = '';
	} 
}
function changeSearchBlur(searchbox){
	if(searchbox.value == '') { 
		searchbox.style.color = '#999999';
		searchbox.value = 'Type Search Here' 
	}
}
function showhidediv(group){
	if(document.getElementById(group).style.display == 'none') {
		document.getElementById(group).style.display = 'block';
		document.getElementById('img_'+group).src = 'images/r_minus.gif';
	} else { 
		document.getElementById(group).style.display = 'none';
		document.getElementById('img_'+group).src = 'images/r_plus.gif';
	}
}

function getElementsByTagNames(list,obj) {
	if (!obj) var obj = document;
	var tagNames = list.split(',');
	var resultArray = new Array();
	for (var i=0;i<tagNames.length;i++) {
		var tags = obj.getElementsByTagName(tagNames[i]);
		for (var j=0;j<tags.length;j++) {
			resultArray.push(tags[j]);
		}
	}
	var testNode = resultArray[0];
	if (!testNode) return [];
	if (testNode.sourceIndex) {
		resultArray.sort(function (a,b) {
				return a.sourceIndex - b.sourceIndex;
		});
	}
	else if (testNode.compareDocumentPosition) {
		resultArray.sort(function (a,b) {
				return 3 - (a.compareDocumentPosition(b) & 6);
		});
	}
	return resultArray;
}


function fixlinks(){
	if(elm('alter_links')){
		if(elm('alter_links').value = 'TRUE'){
			var year = elm('year_journal').value;
			var month = elm('month_journal').value;
			var formFieldList = getElementsByTagNames('a',elm('right_content_inner'));
			for(var i = 0; i < formFieldList.length; i++)
			{
				var templink = formFieldList[i].href;
				var templinkarray = templink.split('/');
				templink = templinkarray[(templinkarray.length)-1];
				var typelink = templink.split('.');
				var ext = typelink[(typelink.length)-1];
				if(ext == 'html' || ext == 'htm' || ext == 'php'){
					formFieldList[i].href = 'journal_load.php?year='+year +'&month='+month+'&page='+templink+'&title='+formFieldList[i].title;	
				} else {
					formFieldList[i].href = 'journal/'+year +'/'+month+'/'+templink;
					formFieldList[i].target = '_blank';
				}
			}
		}
	}
}