function inpFocus(obj, stdText) {
    if (obj.value == stdText) {
	obj.value = '';
    }
}

function inpBlur(obj, stdText) {
    if (obj.value == '') {
	obj.value = stdText;
    }
} 


function MM_preloadImages() { //v3.0
    var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
				 var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
				     if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
    var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
    var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
    if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
    var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//
// showOnly
//
// Hide all elements of type tagName,
// which are directly below an element with id parentId
// An element with id 'showId' is set to display.
//
// Hint: to hide all alements, give an non-existing id for showId
//
// Arguments:
//    showId    element to show
//    parentId  parent element to search in
//    tagName   type of tag to search for (default DIV)
//
function showOnly(showId, parentId, tagName) {
    var parObj = document.getElementById(parentId);
    var tagType = "DIV";
    if (tagName) {
	tagType = tagName.toUpperCase();
    }
    if (parObj) {
	var children = parObj.childNodes;
	// alert(db_DumpTree(children, ''));
	for(c = 0; c < children.length; c++) {
	    if (children[c].nodeName == tagType ) {
		if (children[c].id == showId) {
		    children[c].style.display = 'block';
		} else {
		    children[c].style.display = 'none';
		}
	    }
	}
    }
}


function doOver(id,url){
    object = document.getElementById(id);
    object.src=url ;
}