function onCoverLoad()
{   
    var imgCoverPage = document.getElementById("imgCoverPage");
    if (!imgCoverPage)
        return;

    // check user screen resolution
    var nWidth = window.top.screen.width;
    var nHeight = window.top.screen.height;
    
    // set cover page by screen resolution
    var userScreenResolution = nWidth +"x" + nHeight;
    switch ( userScreenResolution )
	{   
        case "1280x1024":
            imgCoverPage.innerHTML = "<img src=\"styles/images/Introduction1280x1024.gif\" usemap=\"#Introduction1280x1024_Map\"><map name=\"Introduction1280x1024_Map\"><area shape=\"rect\" alt=\"Firefox 3\" coords=\"299,430,487,462\" href=\"http://www.mozilla.com/en-US/firefox/all.html\" target=\"_blank\"><area shape=\"rect\" alt=\"internet explorer 7\" coords=\"227,400,487,430\" href=\"http://www.microsoft.com/israel/windows/products/winfamily/ie/default.mspx\" target=\"_blank\"><area shape=\"rect\" alt=\"תוכן עניינים\" coords=\"26,42,200,100\" href=\"javascript:Cover_openToc();\"/></map>";
            break;
            
        case "1024x768":
            imgCoverPage.innerHTML = "<img src=\"styles/images/Introduction1024X768.gif\" usemap=\"#Introduction1024X768_Map\"><map name=\"Introduction1024X768_Map\"><area shape=\"rect\" alt=\"Firefox 3\" coords=\"225,362,384,387\" href=\"http://www.mozilla.com/en-US/firefox/all.html\" target=\"_blank\"/><area shape=\"rect\" alt=\"internet explorer 7\" coords=\"170,340,385,362\" href=\"http://www.microsoft.com/israel/windows/products/winfamily/ie/default.mspx\" target=\"_blank\"/><area shape=\"rect\" alt=\"תוכן עניינים\" coords=\"29,33,174,77\" href=\"javascript:Cover_openToc();\"/></map>";
            break;	
            
         default: 
            imgCoverPage.innerHTML = "<img src=\"styles/images/Introduction1280x1024.gif\" usemap=\"#Introduction1280x1024_Map\"><map name=\"Introduction1280x1024_Map\"><area shape=\"rect\" alt=\"Firefox 3\" coords=\"299,430,487,462\" href=\"http://www.mozilla.com/en-US/firefox/all.html\" target=\"_blank\"><area shape=\"rect\" alt=\"internet explorer 7\" coords=\"227,400,487,430\" href=\"http://www.microsoft.com/israel/windows/products/winfamily/ie/default.mspx\" target=\"_blank\"><area shape=\"rect\" alt=\"תוכן עניינים\" coords=\"26,42,200,100\" href=\"javascript:Cover_openToc();\"/></map>";
            break;                   	    
	}  
}

function Cover_openToc()
{
    var oToc = parent.OwcGetControl("contentsMainPageSwitcher");
    oToc.setActiveItem(1);
}