function click_box_focus(myelement, mystring, mymethod){
	
		if(myelement.value == mystring)
			myelement.value = '';
}

function click_box_blur(myelement, mystring){
	
		if(myelement.value == '')
			myelement.value = mystring;
			
}

function changeimage(myelement, theimage){

	element = document.getElementById(myelement);
	
	if(element)
		element.src = theimage;

}

function changeusage(myelement, element1, element2, element3, element4){

	var value = "";

	if(myelement.checked)
		value = myelement.value;
	
	if(value == 'S'){
		hidediv(element2);
		showdiv(element1);
		hidediv(element4);
		showdiv(element3);
	} else {
		hidediv(element1);
		showdiv(element2);
		hidediv(element3);
		showdiv(element4);
	}
	
	return true;

}

function showhide(element, myelement){
	if(myelement.checked)
		showdiv(element);
	else
		hidediv(element);
}

function hidediv(element) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(element).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.element.display = 'none';
		}
		else { // IE 4
			document.all.element.style.display = 'none';
		}
	}
}

function showdiv(element) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(element).style.display = 'inline';
		document.getElementById(element).focus();
	}
	else {
		if (document.layers) { // Netscape 4
			document.element.display = 'inline';
		}
		else { // IE 4
			document.all.element.style.display = 'inline';
		}
	}
}

function swapimg(element, link) {
	document.getElementById(element).src=link;
}

function ps_checkbox(element){

	if(document.getElementById(element).checked)
		return true;
	else
		return false;

}

function lv_check(element, obj){

	alert("A change");

}



function checkSearchOptions(form, search, val) {

	var search = document.getElementById(search);
	var f = document.getElementById(form);

	if (search.value != val) {
		search.value = val;
		f.submit();
	}
}