function calcViewBandwidth(rateValue,sizeValue,cameraValue) {
	
	var size =  1024 * eval(sizeValue);
	var nrofcams = eval(cameraValue);
	
	var result = 0;
		
	if (size != "") {
		result = eval(size * nrofcams);
	}
	
	return Math.round(result); 
	
}

function calcRecBandwidth(rateSecValue,rateMinValue,rateHourValue,sizeValue,cameraValue) {
	
	var framerate;
	var size =  1024 * eval(sizeValue);
	var nrofcams = eval(cameraValue);
		
	
	var result = 0;
		
	if (size != "") { 
		result = eval(size * nrofcams);
	}
	
	return Math.round(result);
}

function calcRecStorage(rateSecValue,sizeValue,cameraValue,dayValue,weekValue) {
		
	var size =  1024 * eval(sizeValue) / 8; //Bit/s converted to Kb/s
	var nrofcams = eval(cameraValue);
	var day =  eval(dayValue);
	var week =  eval(weekValue);
		
	var result = 0;
		
	if ((size != "")) {
		result = 1*3600*size*nrofcams*day;
	}
	
	return Math.round(result);
	
}


function unit(bandwidth,unitType) {
	
	var result = "0 bit/s";
	var resultArray = new Array;
	var resultBefore = "";
	var resultAfter = "";
	
	var inputString = ("" + bandwidth);
	var stringLength = inputString.length;
	var unit;
	
	if (stringLength > 12) {
				
		if (unitType) {
			unit = " TB";
		} else {
			unit = " Tbit/s";
		}

		result = "" + inputString/1024/1024/1024/1024;
		resultArray = result.split(".");
		resultBefore = resultArray[0];
		
		if (resultArray.length>1) {
			resultAfter = "." + resultArray[1];
		} else {
		
		}
		
		result = resultBefore + resultAfter.substring(0, 2) + unit;
	
	} else if (stringLength > 9) {
		
		if (unitType) {
			unit = " GB";
		} else {
			unit = " Gbit/s";
		}
		
		result = "" + inputString/1024/1024/1024;
		resultArray = result.split(".");
		resultBefore = resultArray[0];
		
		if (resultArray.length>1) {
			resultAfter = "." + resultArray[1];
		}
		
		result = resultBefore + resultAfter.substring(0, 2) + unit;
		
	} else if (stringLength > 6) {
		
		if (unitType) {
			unit = " MB";
		} else {
			unit = " Mbit/s";
		}
		
		result = "" + inputString/1024/1024;
		resultArray = result.split(".");
		resultBefore = resultArray[0];
		
		if (resultArray.length>1) {
			resultAfter = "." + resultArray[1];		
		}
		
		result = resultBefore + resultAfter.substring(0, 2) + unit;
		
	} else if (stringLength > 3) {
		
		if (unitType) {
			unit = " Kb";
		} else {
			unit = " Kbit/s";
		}
				
		result = "" + inputString/1024;
		resultArray = result.split(".");
		resultBefore = resultArray[0];
		
		if (resultArray.length>1) {
			resultAfter = "." + resultArray[1];
		}
		
		result = resultBefore + resultAfter.substring(0, 2) + unit;
		
	} else {
		
		if (unitType) {
			unit = " byte";
		} else {
			unit = " bit/s";
		}
		
		result = inputString + unit;
		
		
	}
				
	return result; 
}


function changeViewSize () {
	
	var formObj = document.cameraForm;
	
	var locatation = formObj.locatation.value; //model 0
	var complexity = formObj.estimateImageComplexity.options[formObj.estimateImageComplexity.selectedIndex].value.split("_")[0]; //estimateImageComplexity 1
	var nightScene = formObj.estimateImageComplexity.options[formObj.estimateImageComplexity.selectedIndex].value.split("_")[1]; //estimateImageComplexity 1
	var model = formObj.cameraName.options[formObj.cameraName.selectedIndex].text; //model name 2
	var modelID = formObj.cameraName.options[formObj.cameraName.selectedIndex].value; //model ID 3
	var resolution = formObj.estimateViewImageResolution.options[formObj.estimateViewImageResolution.selectedIndex].value; // 5
	var compressionType = formObj.estimateViewCompressionType.options[formObj.estimateViewCompressionType.selectedIndex].value; //6
	var compression = formObj.estimateViewImageCompression.options[formObj.estimateViewImageCompression.selectedIndex].value; //7
	var framerate = formObj.view_rate.options[formObj.view_rate.selectedIndex].value; //8
	var audio = formObj.audio.checked; // audio
	
	videoArray[0] = new Array(locatation,complexity,model,modelID,complexity,resolution,compressionType,compression,framerate,audio,nightScene);
	
	formObj.estimateViewImageSize.value = Math.round(changeSize(0)/1024);
	
}

function changeRecSize () {

	var formObj = document.cameraForm;
	
	var locatation = formObj.locatation.value; //model
	var complexity = formObj.estimateImageComplexity.options[formObj.estimateImageComplexity.selectedIndex].value.split("_")[0]; //estimateImageComplexity 1
	var nightScene = formObj.estimateImageComplexity.options[formObj.estimateImageComplexity.selectedIndex].value.split("_")[1]; //estimateImageComplexity 1
	var model = formObj.cameraName.options[formObj.cameraName.selectedIndex].text; //model name
	var modelID = formObj.cameraName.options[formObj.cameraName.selectedIndex].value; //model ID
	var resolution = formObj.estimateRecImageResolution.options[formObj.estimateRecImageResolution.selectedIndex].value; //resolution
	var compressionType = formObj.estimateRecCompressionType.options[formObj.estimateRecCompressionType.selectedIndex].value; //compressionType
	var compression = formObj.estimateRecImageCompression.options[formObj.estimateRecImageCompression.selectedIndex].value; //compression
	var framerate = formObj.rec_rate_sec.options[formObj.rec_rate_sec.selectedIndex].value; //framerate
	var audio = formObj.audio.checked;
	
	videoArray[1] = new Array(locatation,complexity,model,modelID,complexity,resolution,compressionType,compression,framerate,audio,nightScene);
	
	formObj.estimateRecImageSize.value = Math.round(changeSize(1)/1024);
	
}

function changeAlarmSize () {
	var formObj = document.cameraForm;
	
	var locatation = formObj.locatation.value; //model
	var complexity = formObj.estimateImageComplexity.options[formObj.estimateImageComplexity.selectedIndex].value.split("_")[0]; //estimateImageComplexity 1
	var nightScene = formObj.estimateImageComplexity.options[formObj.estimateImageComplexity.selectedIndex].value.split("_")[1]; //estimateImageComplexity 1
	var model = formObj.cameraName.options[formObj.cameraName.selectedIndex].text; //model name
	var modelID = formObj.cameraName.options[formObj.cameraName.selectedIndex].value; //model ID
	var resolution = formObj.estimateAlarmImageResolution.options[formObj.estimateAlarmImageResolution.selectedIndex].value;
	var compressionType = formObj.estimateAlarmCompressionType.options[formObj.estimateAlarmCompressionType.selectedIndex].value;
	var compression = formObj.estimateAlarmImageCompression.options[formObj.estimateAlarmImageCompression.selectedIndex].value;
	var framerate = formObj.alarm_rate_sec.options[formObj.alarm_rate_sec.selectedIndex].value;
	var audio = formObj.audio.checked;
	
	videoArray[2] = new Array(locatation,complexity,model,modelID,complexity,resolution,compressionType,compression,framerate,audio,nightScene);
	
	formObj.estimateAlarmImageSize.value = Math.round(changeSize(2)/1024);
	
}

function changeExampleSize () {
	
	var formObj = document.cameraForm;
	
	var locatation = userMemory[0][cameraListID][cameraSetID][0];
	var complexity = userMemory[0][cameraListID][cameraSetID][1].split("_")[0];
	var nightScene = userMemory[0][cameraListID][cameraSetID][1].split("_")[1];
	var model = userMemory[0][cameraListID][cameraSetID][2];
	var modelID = userMemory[0][cameraListID][cameraSetID][3];
	var resolution = formObj.estimateExampleImageResolution.options[formObj.estimateExampleImageResolution.selectedIndex].value; // 5
	var compressionType = formObj.estimateExampleCompressionType.options[formObj.estimateExampleCompressionType.selectedIndex].value; //6
	var compression = formObj.estimateExampleImageCompression.options[formObj.estimateExampleImageCompression.selectedIndex].value; //7
	var framerate = formObj.example_rate.options[formObj.example_rate.selectedIndex].value; //8
	var audio = userMemory[0][cameraListID][cameraSetID][2];
	
	for (n=0; n<cameraList.length; n++) {
		if (cameraList[n][0] == modelID) {
			model =	cameraList[n][1];
		}
	}
	
	videoArray[videoArrayIndex] = new Array(locatation,complexity,model,modelID,complexity,resolution,compressionType,compression,framerate,audio,nightScene);
	
	formObj.estimateExampleImageSize.value = Math.round(changeSize(videoArrayIndex)/1024);
	
	
	if (videoArray[videoArrayIndex][9] > 704) {
		var thisWidth = videoArray[videoArrayIndex][12];
		var thisHeight = videoArray[videoArrayIndex][13];
	} else {

	    if (videoArray[videoArrayIndex][9] == 704 && videoArray[videoArrayIndex][10] == 288) {
		   var thisHeight = 576;
	    } else if (videoArray[videoArrayIndex][9] == 704 && videoArray[videoArrayIndex][10] == 240) {
		   var thisHeight = 480;
	    } else {
		   var thisHeight = videoArray[videoArrayIndex][10];
	   	}
		var thisWidth = videoArray[videoArrayIndex][9];
		
	}
	
	if (videoArray[videoArrayIndex][9] > 704) {
		writeWarning(19);

	} else if (thisWidth == 640 && thisHeight == 480) {
		clearWarning();
		
	} else if (thisWidth == 704 && thisHeight == 576) {
		clearWarning();
		
	} else if (thisWidth == 352 && thisHeight == 288) {
		clearWarning();
		
	} else if (thisWidth == 704 && thisHeight == 480) {
		clearWarning();
		
	} else if (thisWidth == 352 && thisHeight == 240) {
		clearWarning();		
		
	} else {
		writeWarning(18);
	}
	
	if (IE) {
		var thisMarginLeft = "0";
	} else {	
		var thisMarginLeft = Math.round((704-thisWidth)/2);
	}
	
	htmlObj = "";
	
	htmlObj += "<div style='margin-top:"+Math.round((576-thisHeight)/2)+"px; margin-left:"+thisMarginLeft+"px; width: "+thisWidth+"px; height:"+thisHeight+"px;'>";
	htmlObj += "<OBJECT id='mediaPlayer' width='"+thisWidth+"' height='"+thisHeight+"' ";
	htmlObj += "classid='CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95' ";
	htmlObj += "codebase='http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701' ";
	htmlObj += "standby='Loading Microsoft Windows Media Player components...' "; 
	htmlObj += "type='application/x-oleobject'> ";
	//htmlObj += "type='video/x-ms-wmv'> ";
	htmlObj += "<param name='fileName' value='"+videoArray[videoArrayIndex][14]+".wmv'> ";
	htmlObj += "<param name='animationatStart' value='true'> ";
	htmlObj += "<param name='transparentatStart' value='true'> ";
	htmlObj += "<param name='autoStart' value='true'> ";
	htmlObj += "<param name='showControls' value='false'>";
	htmlObj += "<param name='loop' value='true'> ";
	htmlObj += "<EMBED type='application/x-mplayer2' ";
	htmlObj += "pluginspage='http://microsoft.com/windows/mediaplayer/en/download/' ";
	htmlObj += "id='mediaPlayer' "; 
	htmlObj += "name='mediaPlayer' "; 
	htmlObj += "displaysize='4' "; 
	htmlObj += "autosize='1' ";
	htmlObj += "bgcolor='black' "; 
	htmlObj += "showcontrols='0' "; 
	htmlObj += "showtracker='0' ";
	htmlObj += "showdisplay='0' "; 
	htmlObj += "showstatusbar='0' "; 
	htmlObj += "videoborder3d='0' ";
	htmlObj += "autostart='1' "; 
	htmlObj += "designtimesp='5311' "; 
	htmlObj += "loop='1' ";
	htmlObj += "width='"+thisWidth+"' height='"+thisHeight+"'";
	htmlObj += "src='"+videoArray[videoArrayIndex][14]+".wmv'> ";
	htmlObj += "</EMBED> ";
	htmlObj += "</OBJECT> ";
	htmlObj += "</div> ";
	
	writeTrace("<b>Size:</b> "+thisWidth+"x"+thisHeight+"px <b>Source:</b> "+videoArray[videoArrayIndex][14]+".wmv");
	
	/*
	htmlObj += "<div style='width:"+videoArray[videoArrayIndex][9]+";height:"+videoArray[videoArrayIndex][10]+"; background-color: black;color: white;'>"+videoArray[videoArrayIndex][14]+"</div>";
	*/
	document.getElementById("movie").innerHTML = htmlObj;
	
}

function changeSize (index) {
	
	var model = videoArray[index][2];
	var complexity = videoArray[index][4];
	var resolution = videoArray[index][5];
	var compressionType = videoArray[index][6];
	var compression = videoArray[index][7];
	var framerate = videoArray[index][8];
	var audio = videoArray[index][9];
	var nightScene = videoArray[index][10];
	
	var processorType = cameraData[videoArray[index][3]][0][20];
	
	//alert(compressionType);
	
	var result = 0;
	
	var resolutionWidth = resolution.split("x")[0];
	var resolutionHeight = resolution.split("x")[1].split(" ")[0];	
	var resolutionArea = resolutionWidth*resolutionHeight;
	
	if (model.indexOf("(")>-1) {
		var encodingsystem = model.split("(")[1].split(")")[0];
	} else {
		var encodingsystem = "VGA";
	}
	
					
	if (resolutionArea>352*288 && encodingsystem == "PAL") {
		var sampleFormat = "4CIF";
		var sampleWidth = 704;
		var sampleHeight = 576;
		
	} else if (resolutionArea<=352*288 && encodingsystem == "PAL") {
		var sampleFormat = "CIF";
		var sampleWidth = 352;
		var sampleHeight = 288;
	
	} else if (resolutionArea>352*288 && encodingsystem == "NTSC") {
		var sampleFormat = "4CIF";
		var sampleWidth = 704;
		var sampleHeight = 480;
		
	} else if (resolutionArea<=352*288 && encodingsystem == "NTSC") {
		var sampleFormat = "CIF";
		var sampleWidth = 352;
		var sampleHeight = 240;
	
	} else if (encodingsystem == "VGA") {
		var sampleFormat = "VGA";
		var sampleWidth = 640;
		var sampleHeight = 480;
		
	}
	
	var sampleArea = sampleWidth*sampleHeight;
	var resolutionFactor = resolutionArea/sampleArea;
	
	
	if (compressionType == "MPEG-4") {
		var compressionType = "MPEG4"; 
		var trueCompressionType = "MPEG4";
	
	}else if(compressionType== "H.264"){
			var compressionType = "H264";
			var trueCompressionType = "MPEG4"; 
	
	} else {
		var compressionType = "MJPEG";
		var trueCompressionType = "MJPEG";
	}
	
	
	if (compression == "Very low") {
		compression = "10";

	} else if (compression == "Low") {
		compression = "30";

	} else if (compression == "Medium") {
		compression = "50";

	} else if (compression == "High") {
		compression = "70";

	} else if (compression == "Very high") {
		compression = "90";
	}
	
	for (var i=0;i<sampleSizeArray.length;i++) {	
		if (sampleSizeArray[i][0] == encodingsystem && sampleSizeArray[i][1] == complexity.toLowerCase() && sampleSizeArray[i][2] == trueCompressionType && sampleSizeArray[i][3] == sampleFormat && sampleSizeArray[i][4] == compression && sampleSizeArray[i][5] == framerate) {
			var bandwidth = sampleSizeArray[i][6];
			var filename = sampleSizeArray[i][7];
			
		}
	}
	
	var audioAddon = 0;
	
	if (audio) {
		audioAddon = 32000;
	}
	
	var nightSceneFactor = 1;
	
	if (nightScene == "night" && trueCompressionType == "MPEG4" ) {
		nightSceneFactor = 1.7;
	}	
	
	var processorTypeFactor = 1;
	
	if (compressionType == "MPEG4" && (processorType == "ARTPEC-A" || processorType == "ARTPEC-B") && videoArray[index][4] != "station" ) {
		processorTypeFactor = 0.6; 
	} 
	
	if (compressionType == "H264" && (processorType == "ARTPEC-3" || processorType == "ARTPEC-B") && compression < 50){
		processorTypeFactor = 0.35; 
	} 
	
	if (compressionType == "H264" && (processorType == "ARTPEC-3" || processorType == "ARTPEC-B") && compression > 30){
		processorTypeFactor = 0.5; 
	}
	
	// new Array("PAL","intersection","MJPEG","4CIF","50","25","5065613","intersection_MJPEG_4CIF_c50_f25"),
	//alert(encodingsystem+":"+complexity.toLowerCase()+":"+compressionType+":"+sampleFormat+":"+compression+":"+framerate+"="+result);
	
	videoArray[index][9] = resolutionWidth;
	videoArray[index][10] = resolutionHeight;
	videoArray[index][11] = sampleFormat;
	videoArray[index][12] = sampleWidth;
	videoArray[index][13] = sampleHeight;
	videoArray[index][14] = filename;
	
	return Math.round(bandwidth*resolutionFactor*nightSceneFactor*processorTypeFactor+audioAddon);
	
}


loaded["bandwidth_cal.js"] = true;