function SetCol(Element, Col) {
        if (Element.style)
          Element.style.backgroundColor = Col;
      }
     
      function CheckForm(Form){    
        var ColErr = "#cfcfcf";    
        var ColOK = "";   
        var Valid = true;
        if (Form.name.value == ""){    
          Valid = false;
      
          SetCol(Form.name, ColErr);
        } else {
          SetCol(Form.name, ColOK);
        }
       
		if (Form.phone.value == ""){
          Valid = false;
          SetCol(Form.phone, ColErr);
        } else {
          SetCol(Form.phone, ColOK);
        }		
    if (Form.fname.value == ""){
          Valid = false;
          SetCol(Form.fname, ColErr);
        } else {
          SetCol(Form.fname, ColOK);
        }	
	if (Form.company.value == ""){
          Valid = false;
          SetCol(Form.company, ColErr);
        } else {
          SetCol(Form.company, ColOK);
        }	
		
		if (Form.sname.value == ""){
          Valid = false;
          SetCol(Form.sname, ColErr);
        } else {
          SetCol(Form.sname, ColOK);
        }	
		  if (Form.message.value == ""){
          Valid = false;
          SetCol(Form.message, ColErr);
        } else {
          SetCol(Form.message, ColOK);
        }	
        if ((Form.mail.value == "") ||
            (Form.mail.value.indexOf('@') == -1)){
          Valid = false;
          SetCol(Form.mail, ColErr);
        } else {
          SetCol(Form.mail, ColOK);
        }  
        if (!Valid)
          alert(" Пожалуйста, заполните выделенные поля.!");   
        return Valid;
      }