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: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			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.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function submitForm(id) {
    document.getElementById(id).submit();
}

function resetForm(id) {	
    document.getElementById(id).reset();
}

function changeClinic(select) {
    
    var i;
    var currentClinic;
    var citySelect;
    var symptomSelect;
    
    if (!clinics) {
        return false;
    }
    
    for (i = 0; i < clinics.length; i++) {
        if (clinics[i]['id'] == select.value) {
            currentClinic = clinics[i];
            break;     
        }
    }
    
    if (!currentClinic) {
        return false;
    }
    
    citySelect = document.getElementById('city');
    if (citySelect) {
        citySelect.options.length = 0;
        for (i = 0; i < currentClinic['cities'].length; i++) {
            citySelect.options[i] = new Option(currentClinic['cities'][i]['name'], currentClinic['cities'][i]['id']);
        }
            
    }
    
    symptomSelect = document.getElementById('symptom');
    if (symptomSelect) {
        symptomSelect.options.length = 0;
        for (i = 0; i < currentClinic['symptoms'].length; i++) {
            symptomSelect.options[i] = new Option(currentClinic['symptoms'][i], currentClinic['symptoms'][i]);
        }
            
    }    
    
    return false;

}