function hideValue(el, value)
{
    if ($(el).value == value) $(el).value = "";
}

function P7_swapClass()
{
    var i,x,tB,j=0,tA=new Array(),arg=P7_swapClass.arguments;
    if(document.getElementsByTagName){for(i=4;i<arg.length;i++){tB=document.getElementsByTagName(arg[i]);
    for(x=0;x<tB.length;x++){tA[j]=tB[x];j++;}}for(i=0;i<tA.length;i++){
    if(tA[i].className){if(tA[i].id==arg[1]){if(arg[0]==1){
    tA[i].className=(tA[i].className==arg[3])?arg[2]:arg[3];}else{tA[i].className=arg[2];}
    }else if(arg[0]==1 && arg[1]=='none'){if(tA[i].className==arg[2] || tA[i].className==arg[3]){
    tA[i].className=(tA[i].className==arg[3])?arg[2]:arg[3];}
    }else if(tA[i].className==arg[2]){tA[i].className=arg[3];}}}}
}

function showElement(element) {
    element1 = $(element+'dt');
    element2 = $(element+'dd');
    element1.show();
    element2.show();
}

function hideElement(element) {
    element1 = $(element+'dt');
    element2 = $(element+'dd');
    element1.hide();
    element2.hide();
}

function toggleShowing(el)
{
    if ($(el).style.display == "none") {
        $(el).show();
    } else {
        $(el).hide();
    }
}