function findTopPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return curtop;
}

function findLeftPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return curleft;
}

function filter(phrase, _id){
    	var words = phrase.toLowerCase();
		var table = document.getElementById(_id);
		var ele;
		for (var r = 0; r < table.rows.length; r++){
			ele = table.rows[r].innerHTML.replace(/<[^>]+>/g,"");
		        var displayStyle = 'none';     
			    if (ele.toLowerCase().indexOf(words)>=0)
				displayStyle = '';
			    else {
				displayStyle = 'none';
			    }
			table.rows[r].style.display = displayStyle;
		}
}

function open_standards_page(selection){
  var non_standard_states=("AL,AK,AZ,AR,CA,CO,CT,DE,DC,FL,GA,HI,ID,IL,IN,IA,KS,KY,LA,ME,MD,MA,MI,MN,MS,MO,MT,NE,NV,NH,NM,NC,ND,OH,OK,OR,RI,SC,SD,TN,TX,UT,VT,VA,WA,WV,WI,WY");
  if(readCookie('user_state')==null){
  	alert("Please select your state in the window that will open when you click OK, below.  Then close that window to return to this page.");
  	window.open('http://www.realcurriculum.com/Green_Ambassadors','toolbar=yes, location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,copyhistory=yes, resizable=yes'); 
  	}
    else {
  	if(non_standard_states.search(readCookie('user_state'))>0){
  		alert("Standards correlations are not currently available for your state.");
		}
  	else{
  
  	var standards_url="http://www.realcurriculum.com/Green_Ambassadors/_standards/"+readCookie('user_state')+"_standards.htm?selection="+selection
  	window.open(standards_url,'mywindow','toolbar=yes, location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,copyhistory=yes, resizable=yes'); 
  	}
  }
}  
  

function columnhide(table_id,colnumber) {
		
		var table = document.getElementById(table_id);
		for (var r = 0; r < table.rows.length; r++){
		table.rows(r).cells(colnumber).style.display="none";
		}
}

function get_name_and_organization(cell_id){
	   if (readCookie('user_name')==null){
       document.getElementById(cell_id).innerHTML="<a href='http://www.realcurriculum.com/Green_Ambassadors/' target='_blank'>click here to login<a>";   
	   } else {
	   document.getElementById(cell_id).innerHTML=readCookie('ga_user_name')+", "+readCookie('ga_user_organization');
	   }
}



IMG01 = "../../_design_images/right_arrow.gif"  
IMG02 = "../../_design_images/down_arrow.gif" 
function imgright(imgname){ 
     imgname.src = IMG01
}

function imgdown(imgname){
     imgname.src = IMG02
}

function change(section){
 rowtype=section.name+"_row";
 if (section.src.search('right_arrow')>0 ){
   imgdown(section);
   show(rowtype);   
   } 
   else {
   imgright(section);
   hide(rowtype);   
   }
}

function hide(test) {
 
   for (var r = 0; r < contents.rows.length; r++){
	  if (contents.rows[r].className==test) {
 	  contents.rows[r].style.display = "none";
	  }

	}

}

function hiderows() {
 
   for (var r = 0; r < contents.rows.length; r++){
	  if (contents.rows[r].className.search('_row')>0) {
 	  contents.rows[r].style.display = "none";
	  }

	}
	     imgright(intro);
		 imgright(presentations);
	     imgright(investigations);
	     imgright(lesson_plans);
		 imgright(construction_zone);
	     imgright(out_of_the_classroom);
		 imgright(edrw_links);
}

function show(test) {
   for (var r = 0; r < contents.rows.length; r++){
	  if (contents.rows[r].className==test) {
 	  contents.rows[r].style.display="";
	  }

	}

}


function showrows() {

    for (var r = 0; r < contents.rows.length; r++){
	  if (contents.rows[r].className.search('_row')>0) {
 	  contents.rows[r].style.display = "";
	  }
	}
	     imgdown(intro);
   		 imgdown(presentations);
	     imgdown(investigations);
	     imgdown(lesson_plans);
		 imgdown(construction_zone);
	     imgdown(out_of_the_classroom);
		 imgdown(edrw_links);

}