Index: sansview/doc/change_scale_help.html
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--- sansview/doc/change_scale_help.html	(revision d292959e408bd8694d3d581e156552aec26caebf)
+++ sansview/doc/change_scale_help.html	(revision b92884a93d3d6730a5b7fb5ff74dc0985709cc36)
@@ -0,0 +1,16 @@
+<html>
+<body>
+<h4>Change scale</h4>
+<p>
+	If the loaded data is a 1-D data.Changing scale or Data Representation will work as
+	followed:<b>right click</b> on the plot window.
+	A context menu pops-up  and select <b>Change Scale</b>. A dialog window titled<b>
+	select the scale of the graph</b> will pop-up then change the <b>x</b>, the <b>y</b>
+	and the <b>view </b> values as wish.
+	If the loaded data  is an image.<b>Right click</b> on the image to pop-up the context
+	menu. Select <Toggle linear/Log scale> to switch from linear to log scale. The scale 
+	selected is printed on the statusbar.
+	
+</p>
+</body>
+</html>
Index: sansview/doc/load_data_help.html
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--- sansview/doc/load_data_help.html	(revision d292959e408bd8694d3d581e156552aec26caebf)
+++ sansview/doc/load_data_help.html	(revision b92884a93d3d6730a5b7fb5ff74dc0985709cc36)
@@ -3,8 +3,8 @@
 
 <p>
-<h6>Loading File</h6>
-Overview of elementary concepts in statistics.
-Variables. Correlation. Measurement scales. Statistical significance. 
-Distributions. Normality assumption.
+<h4>Loading File</h4>
+From Menu go to <b>file</b> -><b>open</b>. Select a file from the dialog window and click on Open.
+Data contained in the file will be displayed. To cancel the loading click on <b>cancel</b>.
+In case a file can not be loaded, an error message will be displayed on the statusbar.
 </p>
 
Index: sansview/doc/model_use_help.html
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--- sansview/doc/model_use_help.html	(revision d292959e408bd8694d3d581e156552aec26caebf)
+++ sansview/doc/model_use_help.html	(revision b92884a93d3d6730a5b7fb5ff74dc0985709cc36)
@@ -2,8 +2,34 @@
 <body>
 
-<a href ="load_data_help.html" target ="showframe">Frame a</a><br>
-<a href ="glossaryhelp.html" target ="showframe">Frame b</a><br>
+<h4>Visualize Model</h4>
+<ul>
+<li><a href="#Model type">Model type</a></li>
+<li><a href="#Visualize">Change Model's parameters</a></li>
+<li><a href="#Plugin"> Write your own model plugin</a></li>
+</ul>
 
+<h5><a name="Model types">Model type</a></h5>
+<p> Models are grouped into three classes:
+	<ul>
+	<li><b> Shapes</b>: Regular  geometric shapes</li>
+	<li><b> Shape- Independent</b></li>
+	<li><b> Added Shapes</b> : model written by the user</li>
+	</ul>
+</p>
 
+<h5><a name="Visualize">Change Model's parameters</a></h5>
+<p>
+	To visualize model in a different window, from menu click on <b>Model</b>.Select
+	a type of model and then the name of your model.A new window will appear with the plot 
+	of your model with default values. Change model's parameters on <b> model view</b> tab
+	and view the plotted model with its new parameters. 
+</p>
+
+<h5><a name="Plugin"> Write your own model plugin</a></h5>
+<p>
+	Write your own model plugin and save it into <b>plugins</b> directory. You plugin
+	model will be added into "<>added Models</>" fiel on model menu. then you can use it 
+	as a regular default model.
+</p>
 </body>
 </html>
Index: sansview/doc/reset_Graph_help.html
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--- sansview/doc/reset_Graph_help.html	(revision d292959e408bd8694d3d581e156552aec26caebf)
+++ sansview/doc/reset_Graph_help.html	(revision b92884a93d3d6730a5b7fb5ff74dc0985709cc36)
@@ -0,0 +1,58 @@
+<html>
+<body>
+
+<h4>Graph help</h4>
+<ul>
+<li><a href="#add">Add Errors</a></li>
+<li><a href="#drag">Drag plot</a></li>
+<li><a href="#reset">Reset Graph</a></li>
+<li><a href="#save">Save Data</a></li>
+<li><a href="#select">Select Data</a></li>
+<li><a href="#zoom ">Zoom in/out</a></li>
+<li><a href="#remove ">Remove Data</a></li>
+</ul>
+
+<h5><a name="add">Add Error</a></h5>
+<p> 
+	Right click on a theory plot.On context menu select <b> Add Error</b>.
+	Errors will be added to the theory.
+</p>
+
+<h5><a name="zoom">Zoom in/out</a></h5>
+<p> 
+	Click on the plotting window, roll the wheel up to zoom out and roll it down
+	to zoom in.
+</p>
+
+<h5><a name="reset">Reset Graph</a></h5>
+<p>
+	To reset the graph's size, right click on the plot and the context menu pops-up.
+	Select <b>Reset Graph</b> and the plot will take its initial dimensions
+</p>
+
+<h5><a name="select"> Select Data</a></h5>
+<p>
+	Right click on the data plotted. It will be highlighted in yellow to interact with
+	the data via context menu.
+</p>
+
+<h5><a name="save"> Save Data</a></h5>
+<p>
+	Right click on plot. Context menu will pop-up select save image [file name].A dialog
+	window opens and write a the name of the file to save and click on <b>Save</b>
+</p>
+
+<h5><a name="drag"> Drag plot</a></h5>
+<p>
+	<b>Left Click</b> on inside the graph and hold the left button on of the mouse and 
+	move the mouse to the direction wanted.
+</p>
+
+<h5><a name="remove">Remove Data</a></h5>
+<p>
+	Highlight the plot and the context menu appears.Select <b>remove [fine name]</b>.
+	The plot selected will disappear.
+</p>
+
+</body>
+</html>
Index: sansview/doc/simultaneous_fit_help.html
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--- sansview/doc/simultaneous_fit_help.html	(revision d292959e408bd8694d3d581e156552aec26caebf)
+++ sansview/doc/simultaneous_fit_help.html	(revision b92884a93d3d6730a5b7fb5ff74dc0985709cc36)
@@ -0,0 +1,36 @@
+<html>
+<body>
+
+<h4>Simultaneous Fit</h4>
+<p>
+	Can only happen with more than 2 data select with their associated model.
+	Can only operate with the park engine selected <b>Fitting</b> on the menu.
+	check <b> park</b>.
+</p>
+<ul>
+<li><a href="#noconstraint">Simultaneous Fit without constraint</a></li>
+<li><a href="#constraint">Simultaneous Fit with constraint</a></li>
+</ul>
+
+<h5><a name="noconstraint">Simultaneous Fit without constraint</a></h5>
+<p> 
+	Highlight the data to fit. Select from the context menu <b>Select Data for fitting</b>.
+	A new tab with the name of the data selected will appears. Select a model used for the fit
+	from the combo box. Model's parameters will be display.Set initial parameters if need.
+	Check at least one parameter to fit.Go to <b>Simultaneous Fit</b> and check at least 2
+	models name to fit.Click on <b> constraint fit </b> button. results will be displayed on 
+	tabs corresponding to each model select.
+	
+</p>
+
+<h5><a name="constraint">Simultaneous Fit with constraint</a></h5>
+<p>
+	Perform <a href="#noconstraint">Simultaneous Fit without constraint</a> step.
+	Enter constraint in the text control next to  <b>constraint fit</b> button.
+	Constraint should be of type model1 parameter name = f(model2 parameter name).
+	Many constraints can be entered for a single fit.Each of them should be separated 
+	by a newline charater or ";"
+</p>
+
+</body>
+</html>
Index: sansview/doc/single_fit_help.html
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--- sansview/doc/single_fit_help.html	(revision d292959e408bd8694d3d581e156552aec26caebf)
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+<html>
+<body>
+
+<h4>Single Fit</h4>
+<ul>
+<li><a href="#fitpage">Single Fit</a></li>
+<li><a href="#linearfit">Linear Fit</a></li>
+</ul>
+
+<h5><a name="fitpage">Single Fit</a></h5>
+<p> 
+	Highlight the data to fit. Select from the context menu <b>Select Data for fitting</b>.
+	A new tab with the name of the data selected will appears. Select a model used for the fit
+	from the combo box. Model's parameters will be display.Set initial parameters if need.
+	Check at least one parameter to fit.Click on <b> Fit</b> button.
+	New parameters values will be displayed as well as error and new chi square associated
+	with the fit operation.
+	The model will be replotted with its new values.
+	Errors will be display on the statusbar.
+	Single fit can also be perform on the "<b>simultaneous fit </b>" tab is parameters are previously 
+	selected on the page corresponding to a model name check. if one model is check, click 
+	on <b> constraint fit </b> button to perform a single fit. results will be displayed on 
+	the appropriate tab.
+	
+</p>
+
+<h5><a name="linearfit">Linear Fit</a></h5>
+<p>
+	Linear fit is performed with a line model. Highlight data to fit.From the context menu
+	select <b> Linear Fit</b>.A dialog window appears.Change model initial parameters, data limits
+	and hit <b> fit</b> button. New parameters values are displayed and the line with the new 
+	parameters is added to the plot.
+</p>
+
+</body>
+</html>
