if (document.getElementById("equipmenu")) {
document.getElementById("equipmenu").style.display="none";
}
if (document.getElementById("projectmenu")) {
document.getElementById("projectmenu").style.display="none";
}


function linksJump() {
	document.location.href=  document.linksForm.linksSelect[document.linksForm.linksSelect.selectedIndex].value;
}

function openlink(aplace) {
	document.location.href=aplace;
}



function popmenu(elemid) {

	if (document.getElementById(elemid).style.display!="block") {
			document.getElementById(elemid).style.display="block";
		}
	else {
		document.getElementById(elemid).style.display="none";
	}
	return false;
}

function hidemenu(elemid) {

		document.getElementById(elemid).style.display="none";

	return false;
}


// show needed calculator

function showPriceCalc(elem) {

//var kd=0;
//alert(document.getElementsByClassName("calc").length);

/*	for (kd=0; kd<document.getElementsByClassName("calc").length; kd++) {
		document.getElementsByClassName("calc")[kd].style.display="none";
	}*/

	document.getElementById("audio_calc").style.display="none";
	document.getElementById("video_calc").style.display="none";
	document.getElementById("photo_calc").style.display="none";
	document.getElementById("design_calc").style.display="none";

	document.getElementById(elem+"_calc").style.display="block";

}



function plusminus(source_id) {

target_id="about_"+source_id.substring(5, source_id.length);

	if (document.getElementById(target_id).style.display!="block") {
			document.getElementById(target_id).style.display="block";
			document.getElementById(source_id).style.backgroundImage="url(images/bullet_minus.gif)";
		}
	else {
		document.getElementById(target_id).style.display="none";
			document.getElementById(source_id).style.backgroundImage="url(images/bullet_plus.gif)";

	}
	return false;
}