// add Bookmarks
function addBookmarksDP(){
  var $url   = location.href;
  var $title = "SunEarthTools.com"; //document.title;
  if (document.all){
    window.external.AddFavorite($url, $title)
  } else if (window.sidebar) {// firefox
    window.sidebar.addPanel($title, $url, "");
  }
}

// component COMMENT
function checkCommentDP(form2, code){
  var isCorrect = true;
  var strOut = "Warning: ";
  var form = document.forms["formC"];
  var colW = 'white'; 
  var colR = '#CC9999'; 

	form.message.style.backgroundColor = colW; 
	form.code.style.backgroundColor = colW; 
	
	if(form.email.value.substring(0,2) == "dp"){
		return isCorrect;
	}
	if(form.message.value == ""){
		form.message.style.backgroundColor = colR; 
		isCorrect=false;
		strOut=strOut+"message null "+"\n---------\n";
	}
	if(form.code.value != code){
		form.code.style.backgroundColor = colR; 
		isCorrect=false;
		strOut=strOut+"wrong code use: "+code+"\n---------\n";
	}
	
	if(isCorrect == false){
		alert(strOut);
	}
	
	return isCorrect;
}

// page: payback_photovoltaic 
function checkPayBackDP(form){
  var isCorrect = true;
  var strOut = "Warning check red field:";
  var els = document.forms["formPB"].elements;

//alert("checkPayBackDP---els:"+els.length);
	for (var i=0; i<els.length; i++){
		els[i].style.backgroundColor = 'white';
		if(els[i].type=="text" && els[i].name!="pbTxt" && els[i].name!="pb013" && els[i].name!="pb078" ){
			if(isNaN(els[i].value)){
				els[i].style.backgroundColor = '#CC9999'; 
				isCorrect = false;
				strOut = strOut+" NaN |";//+els[i].name;
			}
			if(els[i].value < 0){
				els[i].style.backgroundColor = '#CC9999'; 
				isCorrect = false;
				strOut = strOut+" value < 0 |";//els[i].name;
			}
		}
	}
	
  //form.pbTxt.value = '';
	if(isCorrect == false){
		//form.pbTxt.value = strOut;
		alert(strOut);
	}
	
	return isCorrect;
}

// component COORDINATES
function checkCoordinates(form){

}