//trim function for form validation
function trim(s1) {
  s=new String(s1);
  while ((s.length>0) && (s.charAt(s.length-1)==" ")) 
    s = s.substr(s,s.length-1);
  return s;
}

//form validation
function form_valid(){
      	if(trim(document.cnt_form.name.value)==""){
        alert("Please fill in Name field!");
		document.cnt_form.name.focus();
		return false;
	}

	if(trim(document.cnt_form.cn.value)==""){
        alert("Please fill in Company Name field!");
		document.cnt_form.cn.focus();
		return false;
	}
                              
	if(trim(document.cnt_form.mail.value)==""){
        alert("Please fill in E-mail field!");
		document.cnt_form.mail.focus();
		return false;
	}

	if(trim(document.cnt_form.type.value)==""){
        alert("Please select a Type!");
		document.cnt_form.type.focus();
		return false;
	}

	if(trim(document.cnt_form.qty.value)==""){
        alert("Please specify a quantity!");
		document.cnt_form.qty.focus();
		return false;
	}


}

// tooltips
function show_tip(tip,top){
	tooltip = document.getElementById(tip);
	tooltip.style.left = 0;
	tooltip.style.top = top;
	tooltip.style.display = 'block';
}
function hide_tip(tip){
	tooltip = document.getElementById(tip);
	tooltip.style.display = 'none';
}


// menu - redundant?
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}