/* ***********************************************************
Example 4-3 (DHTMLapi.js)
"Dynamic HTML:The Definitive Reference"
2nd Edition
by Danny Goodman
Published by O'Reilly & Associates  ISBN 1-56592-494-0
http://www.oreilly.com
Copyright 2002 Danny Goodman.  All Rights Reserved.


2011-03-08

Endret tester til numeriske tester


************************************************************ */
// DHTMLapi.js custom API for cross-platform
// object positioning by Danny Goodman (http://www.dannyg.com).
// Release 2.0. Supports NN4, IE, and W3C DOMs.

// Global variables
var isCSS, isW3C, isIE4, isNN4, isOP7, isOpera, isIE6CSS;
var temp, intv, maxav, minav, baro, hulla, kornh, hullk;
var utgh, balc, navn, tabkn, nullst, siktea, oyea, hoh, baro;
var luft;

var init = false;

var winArr = new Array();
// initialize upon load to let all browsers establish content objects
function initDHTMLAPI() {
    if (document.images) {
        isCSS = (document.body && document.body.style) ? true : false;
        isW3C = (isCSS && document.getElementById) ? true : false;
        isIE4 = (isCSS && document.all) ? true : false;
        isNN4 = (document.layers) ? true : false;
        isIE6CSS = (document.compatMode && document.compatMode.indexOf("CSS1") >= 0) ? true : false;
// teho 20100318		  isOpera = (window.opera ? true : false);								// Opera
		  isOP7 = (navigator.userAgent.indexOf("Opera 7") != -1);	// Opera 7
/*		  
		  if (isCSS) alert("isCSS");
		  if (isW3C) alert("isW3C");
		  if (isIE4) alert("isIE4");
		  if (isNN4) alert("isNN4");
		  if (isIE6CSS) alert("isIE6CSS");
		  if (isOpera) alert("isOpera");
		  if (isOP7) alert("isOP7");
*/		  
    }
	init = true;
}

// Seek nested NN4 layer from string name
function seekLayer(doc, name) {
    var theObj;
    for (var i = 0; i < doc.layers.length; i++) {
        if (doc.layers[i].name == name) {
            theObj = doc.layers[i];
            break;
        }
        // dive into nested layers if necessary
        if (doc.layers[i].document.layers.length > 0) {
            theObj = seekLayer(document.layers[i].document, name);
        }
    }
    return theObj;
}

// Convert object name string or object reference
// into a valid element object reference
function getRawObject(obj) {
    var theObj;
    if (typeof obj == "string") {
        if (isW3C) {
            theObj = document.getElementById(obj);
        } else if (isIE4) {
            theObj = document.all(obj);
        } else if (isNN4) {
            theObj = seekLayer(document, obj);
        }
    } else {
        // pass through object reference
        theObj = obj;
    }
    return theObj;
}

// Convert object name string or object reference
// into a valid style (or NN4 layer) reference
function getObject(obj) {
    var theObj = getRawObject(obj);
    if (theObj && isCSS) {
        theObj = theObj.style;
    }
    return theObj;
}

// Position an object at a specific pixel coordinate
function shiftTo(obj, x, y) {
    var theObj = getObject(obj);
    if (theObj) {
        if (isCSS) {
            // equalize incorrect numeric value type
            var units = (typeof theObj.left == "string") ? "px" : 0 
            theObj.left = x + units;
            theObj.top = y + units;
        } else if (isNN4) {
            theObj.moveTo(x,y)
        }
    }
}

// Move an object by x and/or y pixels
function shiftBy(obj, deltaX, deltaY) {
    var theObj = getObject(obj);
    if (theObj) {
        if (isCSS) {
            // equalize incorrect numeric value type
            var units = (typeof theObj.left == "string") ? "px" : 0 
            theObj.left = getObjectLeft(obj) + deltaX + units;
            theObj.top = getObjectTop(obj) + deltaY + units;
        } else if (isNN4) {
            theObj.moveBy(deltaX, deltaY);
        }
    }
}

// Set the z-order of an object
function setZIndex(obj, zOrder) {
    var theObj = getObject(obj);
    if (theObj) {
        theObj.zIndex = zOrder;
    }
}

// Set the background color of an object
function setBGColor(obj, color) {
    var theObj = getObject(obj);
    if (theObj) {
//        if (isNN4) {
//            theObj.bgColor = color;
//        } else if (isCSS) {
            theObj.backgroundColor = color;
//        }
    }
}

// Set the visibility of an object to visible
function show(obj) {
    var theObj = getObject(obj);
    if (theObj) {
        theObj.visibility = "visible";
    }
}

// Set the visibility of an object to hidden
function hide(obj) {
    var theObj = getObject(obj);
    if (theObj) {
        theObj.visibility = "hidden";
    }
}

// Retrieve the x coordinate of a positionable object
function getObjectLeft(obj)  {
    var elem = getRawObject(obj);
    var result = 0;
    if (document.defaultView) {
        var style = document.defaultView;
        var cssDecl = style.getComputedStyle(elem, "");
        result = cssDecl.getPropertyValue("left");
    } else if (elem.currentStyle) {
        result = elem.currentStyle.left;
    } else if (elem.style) {
        result = elem.style.left;
    } else if (isNN4) {
        result = elem.left;
    }
    return parseInt(result);
}

// Retrieve the y coordinate of a positionable object
function getObjectTop(obj)  {
    var elem = getRawObject(obj);
    var result = 0;
    if (document.defaultView) {
        var style = document.defaultView;
        var cssDecl = style.getComputedStyle(elem, "");
        result = cssDecl.getPropertyValue("top");
    } else if (elem.currentStyle) {
        result = elem.currentStyle.top;
    } else if (elem.style) {
        result = elem.style.top;
    } else if (isNN4) {
        result = elem.top;
    }
    return parseInt(result);
}

// Retrieve the rendered width of an element
function getObjectWidth(obj)  {
    var elem = getRawObject(obj);
    var result = 0;
    if (elem.offsetWidth) {
        result = elem.offsetWidth;
    } else if (elem.clip && elem.clip.width) {
        result = elem.clip.width;
    } else if (elem.style && elem.style.pixelWidth) {
        result = elem.style.pixelWidth;
    }
    return parseInt(result);
}

// Retrieve the rendered height of an element
function getObjectHeight(obj)  {
    var elem = getRawObject(obj);
    var result = 0;
    if (elem.offsetHeight) {
        result = elem.offsetHeight;
    } else if (elem.clip && elem.clip.height) {
        result = elem.clip.height;
    } else if (elem.style && elem.style.pixelHeight) {
        result = elem.style.pixelHeight;
    }
    return parseInt(result);
}


// Return the available content width space in browser window
function getInsideWindowWidth() {
    if (window.innerWidth) {
        return window.innerWidth;
    } else if (isIE6CSS) {
        // measure the html element's clientWidth
        return document.body.parentElement.clientWidth
    } else if (document.body && document.body.clientWidth) {
        return document.body.clientWidth;
    }
    return 0;
}
// Return the available content height space in browser window
function getInsideWindowHeight() {
    if (window.innerHeight) {
        return window.innerHeight;
    } else if (isIE6CSS) {
        // measure the html element's clientHeight
        return document.body.parentElement.clientHeight;
    } else if (document.body && document.body.clientHeight) {
        return document.body.clientHeight;
    }
    return 0;
}


// *****************************************************
// Egne funksjoner
// *****************************************************

	// *****************************************************
	// teho_resizeBars
	// *****************************************************
function teho_resizeBars() {

	if (!init) initDHTMLAPI();
	
	innholdHeight = getObjectHeight('midt');
	document.getElementById('menyBar').style.height = innholdHeight - 1;
	document.getElementById('reklameBar').style.height = innholdHeight - 1;
}	

function tabellWindow(windowName, url, width, height) {

	// if (!init) initDHTMLAPI();

	// if (window.popup_window && !window.popup_window.closed) {
	//	window.popup_window.resizeTo( 300, 300);
	//}

	var window_specs = "height="+height+",width="+width+",channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=0,resizable=1,scrollbars=1,status=0,toolbar=0";
	// var url = "tabell.php";
	winArr = window.open(url, windowName, window_specs);
	winArr.focus();
}

function sjekkData(tabell) {
	if (parseInt(document.data.utghast.value) < 0) {
		alert("Utgangshastighet må være større enn 0");
		return false;
	}

	if (parseFloat(document.data.balkoeff.value) <= 0.0 || parseFloat(document.data.balkoeff.value) >= 1.0) {
		alert("Ballistisk koeff. må være mellom 0.0 og 1.0");
		return false;
	}
	if (parseInt(document.data.So.value) > parseInt(document.data.Sx.value)) {
		alert("Minste avstand må være mindre enn lengste avstand");
		return false;
	}
	if (parseFloat(document.data.Si.value) <= 0.0 ) {
		alert("Intervall må være større enn 0");
		return false;
	}
	if (parseInt(document.data.nullstilling.value) < parseInt(document.data.So.value) || parseInt(document.data.nullstilling.value) > parseInt(document.data.Sx.value)) {
		alert("Nullstilling må være mellom minste og lengste avstand");
		return false;
	}
	if (document.data.tabellKnepp.checked == true && parseInt(document.data.So.value) == 0) {
		alert("Minste avstand kan ikke være 0 når man velger 'Tabell i knepp'");
		return false;
	}
	if (tabell != 'gange') {
		ok = false;
		var So = Math.round(document.data.So.value);
		var Sx = Math.round(document.data.Sx.value);
		var Si = Math.round(document.data.Si.value);

		for (i = So; i < Sx; i += Si) {
			if (i == document.data.nullstilling.value)
				ok = true;
		}

		if (!ok) {
			alert("Nullstilling må være et av intervallene i tabellen");
			return false;
		}
	}
	
	return true;
}

function lagTabell(tabell, width, height) {
	var winspec = "height="+height+",width="+width+",channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=0,resizable=1,scrollbars=1,status=0,toolbar=0";
	var param;

	if (!sjekkData(tabell))
		return;

	param = "?" + tabell+"=1";
	param = param + "&kuleid=" + document.data.kuleid.value;
	param = param + "&balkoeff=" + document.data.balkoeff.value;
	param = param + "&utghast=" + document.data.utghast.value;
	param = param + "&kornhoyde=" + document.data.kornhoyde.value;
	param = param + "&hullavstand=" + document.data.hullavstand.value;
	param = param + "&sikteid=" + document.data.sikteid.value;
	param = param + "&hullkorn=" + document.data.hullkorn.value;
	param = param + "&oyeavstand=" + document.data.oyeavstand.value;
	param = param + "&altitude=" + document.data.altitude.value;
	param = param + "&barometer=" + document.data.barometer.value;
	param = param + "&humidity=" + document.data.humidity.value;
	param = param + "&temperatur=" + document.data.temperatur.value;
	param = param + "&So=" + document.data.So.value;
	param = param + "&Sx=" + document.data.Sx.value;
	param = param + "&Si=" + document.data.Si.value;
	param = param + "&nullstilling=" + document.data.nullstilling.value;
	if (document.data.tabellKnepp.checked == true)
		param = param + "&tabellKnepp=" + document.data.tabellKnepp.value;
	
	// Pass på å ikke gjenbruke vinduer, random gir liten sannsynlighet for det
	ran = Math.round(Math.random()*100000);
	windowName = "tabell" + ran;
	
	window.open("dispatcher.php"+param, windowName, winspec);
}

function printpage() {
	window.print();  
}

// set event handler to initialize API
window.onload = initDHTMLAPI;
//window.onload = teho_resizeBars;
//window.onresize = teho_resizeBars;