function invokeCodeSaw(formName)
{
    eval('document.'+formName+'.action="http://www.codesaw.com/examples/servlet/OpenCodeSaw"');
    eval('document.'+formName+'.submit()');
}

function currentUrl ()
{
    return escape(document.location);
}


function check_mime(formName)
{
    var ns=document.layers?1:0;
    var ie=document.all?1:0;

    if(ns) 
        mime_reg(formName);
    else if (ie) 
        detect_plugin(formName);
    else 
    {
          // if windows then confirm
          var ch = confirm("I could not detect codesaw on your machine. Shall I contiue to run codesaw ?");
          if (ch) 
          {
              invokeCodeSaw(formName);
          } else {
              document.location.href="http://www.codesaw.com/installCS.php?&csInstalled=1&iitInstall="+currentUrl();
          }
    }
}

function mime_reg(formName)
{
    for(var m=0;m<navigator.mimeTypes.length;m++)
    {
	if(navigator.mimeTypes[m].type=="application/x-codesaw")	
	{
		mime_avail=true;
		break;
	} else {
		mime_avail=false;
		continue;
	}		
    }
    if(mime_avail)
    {
        invokeCodeSaw(formName);
    } else {
        var ch = confirm("I could not detect codesaw on your machine. Shall I contiue to run codesaw ?");
        if (ch) 
        {
            invokeCodeSaw(formName);
        } 
        else {
            document.location.href="http://www.codesaw.com/installCS.php?&csInstalled=1&iitInstall="+currentUrl();
        }				
    }
}