function check_intkey(key)
{
	return (key >= 48 && key <= 57);
}

function change_prev()
{
	//alert('111');
	//document.frm_product.all("products_pre_image").setAttribute("background:url", "/uploads/images/1_images/products/"+document.frm_product.products_image.value);
}

function check_nwkey(key)
{
	return ((key >= 48 && key <= 57) || (key >=97 && key <= 122) || (key >=65 && key <= 90));
}

function check_form_emelent(obj, alert_msg, type)
{
	if (obj.value=="")
	{
		alert(alert_msg);
		obj.focus();
	}
}

function chkCategoryName(oForm){
	ret = false;
	for(i=0;i<checkNameID.length;i++){
		if(document.getElementById('Category_Name['+checkNameID[i]+']')){
			a = document.getElementById('Category_Name['+checkNameID[i]+']');
			if(a.value.length>32) {
				alert(maxStringAlert);
				a.focus();
				return ret;
			}
		}
	}
	  
	 return true;
}

function showHideLi(id){
	if(document.getElementById(id))
		document.getElementById(id).style.display=document.getElementById(id).style.display=='none' ? '' : 'none';
	return false;
}

function chkForm(oForm){
	var c1 = document.getElementById('categories_1');
	var c2 = document.getElementById('categories_2');
	var c3 = document.getElementById('categories_3');
	var ret = false;
	
	if(((c1.value==c2.value) || (c1.value==c3.value) ) && c1.value>0){
		alert(sameCate);
		c1.focus();
	}else if(((c2.value==c3.value) || (c2.value==c1.value) ) && c2.value>0){
		alert(sameCate);
		c2.focus();
	}else ret = true;
	return ret;
}

function checkOutForm(isCheckOut){
	var oForm = document.getElementById('check_out_form');
	if(isCheckOut>0) document.getElementById('isCheckOut').value=1;
	
	oForm.submit();
}