function clearInput(el){
	if(el instanceof Array)
		for(var i=0;i<el.length;i++)
			clearInput(el[i])
	el=document.getElementById(el)
	if(el&&el.tagName.toLowerCase()=='form'){
		var a=el.getElementsByTagName('*')
		for(var i in a){
			if(a[i].value){
			    if (!a[i].defaultValue) { a[i].defaultValue = a[i].value; }
				a[i].onfocus = function() { if (this.value == this.defaultValue) { this.value = ''; } }
				a[i].onclick = function() { this.focus(); };
				a[i].onblur = function() { if (this.value == '') { this.value = this.defaultValue; } }
			}
			if ((a[i].rel) && (/(submit)|(reset)/.test(a[i].rel))) a[i].onclick = function() {el[this.rel](); return false }
		}
	}
}