function f_all(c)
{
i=0;
ctr=document.forms[0].elements[''+c+'[]'].length;
for(a=0;a<ctr;a++) {
	document.forms[0].elements[''+c+'[]'][a].checked = true;
	}
}

function f_plus(c,j)
{
if(document.forms[0].elements[''+c+'[]'][j-1].checked==false) { 
	document.forms[0].elements[''+c+'[]'][j-1].checked=false;
	}
else {
	i=0;
	ctr=document.forms[0].elements[''+c+'[]'].length;
	for(a=0;a<ctr;a++) {
		if(document.forms[0].elements[''+c+'[]'][a].checked==true) i=1;
		if(i>0) document.forms[0].elements[''+c+'[]'][a].checked = true;
		}
	}
}

function f_minus(c)
{
i=0;
ctr=document.forms[0].elements[''+c+'[]'].length;
for(a=ctr-1;a>=0;a--) {
	if(document.forms[0].elements[''+c+'[]'][a].checked==true) i=1;
	if(i>0) document.forms[0].elements[''+c+'[]'][a].checked = true;
	}
}


function f_clear_all()
{
s="";
for(a=0;a<document.forms[0].elements.length;a++) {
	t=document.forms[0].elements[a].type;
	t = t.toLowerCase();
	t = t.substr(0,5);
	if(t=='selec')	 {
		document.forms[0].elements[a].selectedIndex=0;
		}
	else if(t=='radio') {
		document.forms[0].elements[a].checked=false;
		}
	else if(t=='check') {
		document.forms[0].elements[a].checked=false;
		}
	else {
		document.forms[0].value = "";
		}
	s+="\nt="+t+";"+document.forms[0].elements[a].name;
	}
document.forms[0].elements['class'][0].checked = true;
//alert(s);
}


function f_res()
{
document.frmMain.func.value = "REFRESH";
document.frmMain.ty_1.value = "S/B";
document.frmMain.action = "search.php";
document.frmMain.submit();
}


function f_refresh()
{
document.frmMain.func.value = "REFRESH";
document.frmMain.action = "search.php";
document.frmMain.submit();
}


function f_save()
{
document.frmMain.func.value = "SAVE";
document.frmMain.action = "search_results.php";
document.frmMain.submit();
}


function f_submit(mode)
{
if(mode=="") { 
	//document.frmMain.mls.value = "";
	}
//document.frmMain.mode.value = mode;
document.frmMain.func.value = "QUERY";
document.frmMain.action = "search_results.php";
document.frmMain.submit();
}