function check_upload(type)
{
	//alert(type);	
    var desc01 = document.form1.desc01.value;
    var file1 = document.form1.file_to_upload_01.value.toLowerCase();
    var file = trim(file1)
    var fname = file.substring(file.lastIndexOf("\'\'")+1);

    if(file=="")
    {
        alert("Please select a file to Upload.");
        form1.file_to_upload_01.focus();
        return false;
    }
    else if(fname.indexOf(".exe")!=-1 || fname.indexOf(".EXE")!=-1)
    {
        alert("You cannot upload .exe , index  files and file name should not contain special characters. Please select a valid file name");
        document.form1.file_to_upload_01.focus();
        return false;
    }

         var flag=0;
           var file1 = file.split(".");
           count1 = file1.length;
         var extn = file1[count1-1];
        
          if ( extn == "exe")
         {
            flag = 1;
         }

        if ( flag != 0 )
            {
           alert ( "You cannot upload EXE file.");
           form1.file_to_upload_01.focus();
               return false;
            }

    if(isBlank(desc01)) 
    {
        alert("Please enter the Description"); 
        document.form1.desc01.value=""; 
        document.form1.desc01.focus(); 
        return false;
    }
    if(type =="A")
    {
		if(form1.member_code.value==0)
		{
			alert("Please select the User.");
			form1.member_code.focus();
			return false;
		}
	}
}

function forenter(fld,frm)
{
	var e = fld.value;
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	if(keycode == 13) return false;
}