With <body onload="signifyload()" > signifyload is called when page is fully loaded and DOM fully constructed
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For general pages use if(WW_isdefined(document.forms)) and count number of forms, images, links, layers. When count stabilizes, page is loaded
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WebWisdom pages all have an onload event handler which inter alia registers with JSSB
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for unloading, one can either
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a) set onunload handler of general pages after they are loaded and make this handler signify (detected immediately)
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b) set framewindow.WW_dynamicvariable = 1 (say) and then page is unloaded after one finds this variable undefined (detected in loop every .5 second)
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These heuristics are used to estimate total load time of each page and report this to user or session master
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Thus one can produce quite a detailed network and client environment status display for teacher (network administrator)
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