//==============================valid form=============================
function isblank(fe){
		// check that the value is not empty
		if (fe.value == "") {
			// its blank
			return true;
		} else {
			// it has data
			return false;
		}
	}

function ischecked(fe){
		// check that the value is not empty
		if (fe.checked) {
			// its blank
			return false;
		} else {
			// it has data
			return true;
		}
	}
//==================set field class ==========================
function setclass(wf,a) {
		if (a==1){
			//wf.setAttribute("class", "field_blank");
			wf.style.borderColor="#FF0000";
			wf.style.backgroundColor="#FFEEEE";
			location.href="#error";
			wf.focus();
		} else if (a==0) {  
			//wf.setAttribute("class", "field");
			wf.style.borderColor="#777777";			
			wf.style.backgroundColor="#FFFFCC";
			
		}	
}
function cvalue(tv,tn) {
	if (tv != "") {
		setclass(document.getElementById(tn),'0');
		derror('hide');
	}
	
}


function checkfield(v) {
	if (isblank(v)){
		setclass(v,'1');
		return true;
	} else {
		setclass(v,'0');
		return false;
	}
}

function checkbox(v) {
	if (ischecked(v)){
		setclass(v,'1');
		return false;
	} else {
		setclass(v,'0');
		return true;
	}
}

//==========================CHECK FIELDS===========================
//=================================================================

function checkvalue2(wpage) {
		
   if (wpage == "page1") {	
	if ((checkfield(document.getElementById('first_name'))) || (checkfield(document.getElementById('last_name'))) || (checkfield(document.getElementById('home_phone'))) || (checkfield(document.getElementById('email'))) || (checkfield(document.getElementById('laptop_model'))) || (checkfield(document.getElementById('description')))) {
		var noblank = "no";
		derror('show');
	} else {
		var noblank = "yes";
		if ((checkbox(document.getElementById('tobe1'))) || (checkbox(document.getElementById('tobe2'))) || (checkbox(document.getElementById('tobe3'))) || (checkbox(document.getElementById('tobe4'))) || (checkbox(document.getElementById('tobe5')))) {
		} else {
			var noblank = "no";
			document.getElementById('_rtt').style.borderColor="#F00";
			document.getElementById('_rtt').style.backgroundColor="#FFEEEE";
			derror('show');
		}
	}
   } else if (wpage == "page2") {
   	if ((checkfield(document.getElementById('street'))) || (checkfield(document.getElementById('city'))) || (checkfield(document.getElementById('zip_code')))) {
		var noblank = "no";
		derror('show');
	} else {
		var noblank = "yes";
		if (document.getElementById('state').selectedIndex=="0") {
			var noblank = "no";
			derror('show');
			document.getElementById('state').style.borderColor="#F00";
			document.getElementById('state').style.backgroundColor="#FFEEEE";
		}
	}
   } else {
   	var noblank = "no";
   }
		
	if (noblank == "yes") {
		document.page1form.submit();
	}
}
	
	
//==========================CHECK FIELDS===========================
//=================================================================
	
function derror(hd){

var row = document.getElementById("showerror");
	
	if (hd=='show') {
		row.style.display = '';
	} else {
		row.style.display = 'none';
	}
}

function checkradio(r,td) {
	document.getElementById('tdground').style.background='#FCFCFC';
	document.getElementById('td3day').style.background='#FCFCFC';
	document.getElementById('tdnext').style.background='#FCFCFC';
	document.getElementById('tdnone').style.background='#FCFCFC';
	document.getElementById(td).style.background='#f6fdba';

}